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212110100102220 = 223531114037688227
BaseRepresentation
bin110000001110100110111011…
…001010110111110001001100
31000211000112020120110212011120
4300032212323022313301030
5210300202441111232340
62031042011302520540
762451310004626635
oct6016467312676114
91024015216425146
10212110100102220
116164842a899571
121b958437436150
139147b86b26838
143a5427dc0288c
15197c70cc7c4d0
hexc0e9bb2b7c4c

212110100102220 has 48 divisors (see below), whose sum is σ = 613066611913728. Its totient is φ = 54738090348480.

The previous prime is 212110100102213. The next prime is 212110100102287. The reversal of 212110100102220 is 22201001011212.

It is a Harshad number since it is a multiple of its sum of digits (15).

It is a self number, because there is not a number n which added to its sum of digits gives 212110100102220.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 57018842254 + ... + 57018845973.

It is an arithmetic number, because the mean of its divisors is an integer number (12772221081536).

Almost surely, 2212110100102220 is an apocalyptic number.

212110100102220 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

212110100102220 is an abundant number, since it is smaller than the sum of its proper divisors (400956511811508).

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

212110100102220 is a wasteful number, since it uses less digits than its factorization.

212110100102220 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 114037688270 (or 114037688268 counting only the distinct ones).

The product of its (nonzero) digits is 32, while the sum is 15.

Adding to 212110100102220 its reverse (22201001011212), we get a palindrome (234311101113432).

The spelling of 212110100102220 in words is "two hundred twelve trillion, one hundred ten billion, one hundred million, one hundred two thousand, two hundred twenty".

Divisors: 1 2 3 4 5 6 10 12 15 20 30 31 60 62 93 124 155 186 310 372 465 620 930 1860 114037688227 228075376454 342113064681 456150752908 570188441135 684226129362 1140376882270 1368452258724 1710565323405 2280753764540 3421130646810 3535168335037 6842261293620 7070336670074 10605505005111 14140673340148 17675841675185 21211010010222 35351683350370 42422020020444 53027525025555 70703366700740 106055050051110 212110100102220