121102220002100 has 36 divisors (see below), whose sum is σ = 262934098161504. Its totient is φ = 48414661133280.

The previous prime is 121102220002067. The next prime is 121102220002111. The reversal of 121102220002100 is 1200022201121.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 327650222 + ... + 328019621.

Almost surely, 2^{121102220002100} is an apocalyptic number.

121102220002100 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

121102220002100 is an abundant number, since it is smaller than the sum of its proper divisors (141831878159404).

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

121102220002100 is a wasteful number, since it uses less digits than its factorization.

121102220002100 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 655671704 (or 655671697 counting only the distinct ones).

The product of its (nonzero) digits is 32, while the sum is 14.

Adding to 121102220002100 its reverse (1200022201121), we get a palindrome (122302242203221).

The spelling of 121102220002100 in words is "one hundred twenty-one trillion, one hundred two billion, two hundred twenty million, two thousand, one hundred".