100212021100100 has 72 divisors (see below), whose sum is σ = 267643182531648. Its totient is φ = 31715452828800.

The previous prime is 100212021100099. The next prime is 100212021100189. The reversal of 100212021100100 is 1001120212001.

It is a super-2 number, since 2×100212021100100² (a number of 29 digits) contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 5506145906 + ... + 5506164105.

Almost surely, 2^{100212021100100} is an apocalyptic number.

100212021100100 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

100212021100100 is an abundant number, since it is smaller than the sum of its proper divisors (167431161431548).

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

100212021100100 is a wasteful number, since it uses less digits than its factorization.

100212021100100 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 11012310045 (or 11012310038 counting only the distinct ones).

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

Adding to 100212021100100 its reverse (1001120212001), we get a palindrome (101213141312101).

The spelling of 100212021100100 in words is "one hundred trillion, two hundred twelve billion, twenty-one million, one hundred thousand, one hundred".