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212011111201011 = 3173408499250869
BaseRepresentation
bin110000001101001010101110…
…111110001011100011110011
31000210200001201212101122201020
4300031022232332023203303
5210242042223431413021
62030524320535110523
762441203656066213
oct6015125676134363
91023601655348636
10212011111201011
116160a453177a01
121b941210212443
13913b73c93c005
143a4d56d17c243
151979d676b77c6
hexc0d2aef8b8f3

212011111201011 has 8 divisors (see below), whose sum is σ = 284315478605520. Its totient is φ = 140523742298592.

The previous prime is 212011111200991. The next prime is 212011111201027. The reversal of 212011111201011 is 110102111110212.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 212011111201011 - 222 = 212011107006707 is a prime.

It is a super-2 number, since 2×2120111112010112 (a number of 29 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (212011111201031) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 204249624916 + ... + 204249625953.

It is an arithmetic number, because the mean of its divisors is an integer number (35539434825690).

Almost surely, 2212011111201011 is an apocalyptic number.

212011111201011 is a deficient number, since it is larger than the sum of its proper divisors (72304367404509).

212011111201011 is a wasteful number, since it uses less digits than its factorization.

212011111201011 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 408499251045.

The product of its (nonzero) digits is 8, while the sum is 15.

Adding to 212011111201011 its reverse (110102111110212), we get a palindrome (322113222311223).

The spelling of 212011111201011 in words is "two hundred twelve trillion, eleven billion, one hundred eleven million, two hundred one thousand, eleven".

Divisors: 1 3 173 519 408499250869 1225497752607 70670370400337 212011111201011