100121102202100 has 72 divisors (see below), whose sum is σ = 249330625721408. Its totient is φ = 34184798323200.

The previous prime is 100121102202073. The next prime is 100121102202103. The reversal of 100121102202100 is 1202201121001.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (100121102202103) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 296574342 + ... + 296911741.

Almost surely, 2^{100121102202100} is an apocalyptic number.

100121102202100 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

100121102202100 is an abundant number, since it is smaller than the sum of its proper divisors (149209523519308).

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

100121102202100 is a wasteful number, since it uses less digits than its factorization.

100121102202100 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 593486345 (or 593486338 counting only the distinct ones).

The product of its (nonzero) digits is 16, while the sum is 13.

Adding to 100121102202100 its reverse (1202201121001), we get a palindrome (101323303323101).

The spelling of 100121102202100 in words is "one hundred trillion, one hundred twenty-one billion, one hundred two million, two hundred two thousand, one hundred".