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22111111100112 = 243499923142581
BaseRepresentation
bin1010000011100001001001…
…11011000011011011010000
32220021210122100110001210220
411001300210323003123100
510344232023420200422
6115005412035353040
74441321642214226
oct501604473033320
986253570401726
1022111111100112
1170552a6864991
122591346452780
13c450b82b1198
1456627d6bcb16
15285262785e5c
hex141c24ec36d0

22111111100112 has 40 divisors (see below), whose sum is σ = 57234840084000. Its totient is φ = 7355600077440.

The previous prime is 22111111100081. The next prime is 22111111100131. The reversal of 22111111100112 is 21100111111122.

It is a junction number, because it is equal to n+sod(n) for n = 22111111100091 and 22111111100100.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 461547339 + ... + 461595242.

It is an arithmetic number, because the mean of its divisors is an integer number (1430871002100).

Almost surely, 222111111100112 is an apocalyptic number.

It is an amenable number.

22111111100112 is an abundant number, since it is smaller than the sum of its proper divisors (35123728983888).

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

22111111100112 is a wasteful number, since it uses less digits than its factorization.

22111111100112 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 923143091 (or 923143085 counting only the distinct ones).

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

Adding to 22111111100112 its reverse (21100111111122), we get a palindrome (43211222211234).

The spelling of 22111111100112 in words is "twenty-two trillion, one hundred eleven billion, one hundred eleven million, one hundred thousand, one hundred twelve".

Divisors: 1 2 3 4 6 8 12 16 24 48 499 998 1497 1996 2994 3992 5988 7984 11976 23952 923142581 1846285162 2769427743 3692570324 5538855486 7385140648 11077710972 14770281296 22155421944 44310843888 460648147919 921296295838 1381944443757 1842592591676 2763888887514 3685185183352 5527777775028 7370370366704 11055555550056 22111111100112