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212110021112110 = 251119118751854629
BaseRepresentation
bin110000001110100110110110…
…011101100011000100101110
31000211000112001001211202002221
4300032212312131203010232
5210300202310401041420
62031041555401505554
762451305025341032
oct6016466635430456
91024015031752087
10212110021112110
116164839a248090
121b958414aa22ba
139147b7365b024
143a542735201c2
15197c705d77caa
hexc0e9b676312e

212110021112110 has 64 divisors (see below), whose sum is σ = 438432574003200. Its totient is φ = 73070694000000.

The previous prime is 212110021112029. The next prime is 212110021112147. The reversal of 212110021112110 is 11211120011212.

212110021112110 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a super-2 number, since 2×2121100211121102 (a number of 29 digits) contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 247762276 + ... + 248616904.

It is an arithmetic number, because the mean of its divisors is an integer number (6850508968800).

Almost surely, 2212110021112110 is an apocalyptic number.

212110021112110 is an abundant number, since it is smaller than the sum of its proper divisors (226322552891090).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

212110021112110 is a wasteful number, since it uses less digits than its factorization.

212110021112110 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 973417.

The product of its (nonzero) digits is 16, while the sum is 16.

Adding to 212110021112110 its reverse (11211120011212), we get a palindrome (223321141123322).

The spelling of 212110021112110 in words is "two hundred twelve trillion, one hundred ten billion, twenty-one million, one hundred twelve thousand, one hundred ten".

Divisors: 1 2 5 10 11 19 22 38 55 95 110 190 209 418 1045 2090 118751 237502 593755 854629 1187510 1306261 1709258 2256269 2612522 4273145 4512538 6531305 8546290 9400919 11281345 13062610 16237951 18801838 22562690 24818959 32475902 47004595 49637918 81189755 94009190 124094795 162379510 178617461 248189590 357234922 893087305 1786174610 101488048379 202976096758 507440241895 1014880483790 1116368532169 1928272919201 2232737064338 3856545838402 5581842660845 9641364596005 11163685321690 19282729192010 21211002111211 42422004222422 106055010556055 212110021112110