100122212112 has 40 divisors (see below), whose sum is σ = 278545130304. Its totient is φ = 30806834304.

The previous prime is 100122212107. The next prime is 100122212159. The reversal of 100122212112 is 211212221001.

It is a junction number, because it is equal to n+sod(n) for n = 100122212091 and 100122212100.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 80225508 + ... + 80226755.

Almost surely, 2^100122212112 is an apocalyptic number.

100122212112 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

100122212112 is an abundant number, since it is smaller than the sum of its proper divisors (178422918192).

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

100122212112 is a wasteful number, since it uses less digits than its factorization.

100122212112 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 160452287 (or 160452281 counting only the distinct ones).

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

Adding to 100122212112 its reverse (211212221001), we get a palindrome (311334433113).

The spelling of 100122212112 in words is "one hundred billion, one hundred twenty-two million, two hundred twelve thousand, one hundred twelve".