100212110120 has 16 divisors (see below), whose sum is σ = 225477247860. Its totient is φ = 40084844032.

The previous prime is 100212110111. The next prime is 100212110137. The reversal of 100212110120 is 21011212001.

It can be written as a sum of positive squares in 2 ways, for example, as 99619771876 + 592338244 = 315626^2 + 24338^2 .

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 3 ways as a sum of consecutive naturals, for example, 1252651337 + ... + 1252651416.

Almost surely, 2^100212110120 is an apocalyptic number.

100212110120 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

100212110120 is an abundant number, since it is smaller than the sum of its proper divisors (125265137740).

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

100212110120 is a wasteful number, since it uses less digits than its factorization.

100212110120 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2505302764 (or 2505302760 counting only the distinct ones).

The product of its (nonzero) digits is 8, while the sum is 11.

Adding to 100212110120 its reverse (21011212001), we get a palindrome (121223322121).

The spelling of 100212110120 in words is "one hundred billion, two hundred twelve million, one hundred ten thousand, one hundred twenty".