121002212020100 has 36 divisors (see below), whose sum is σ = 268681190792784. Its totient is φ = 47275282834080.

The previous prime is 121002212020091. The next prime is 121002212020147. The reversal of 121002212020100 is 1020212200121.

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 11 ways as a sum of consecutive naturals, for example, 14070020354 + ... + 14070028953.

Almost surely, 2^{121002212020100} is an apocalyptic number.

121002212020100 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

121002212020100 is an abundant number, since it is smaller than the sum of its proper divisors (147678978772684).

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

121002212020100 is a wasteful number, since it uses less digits than its factorization.

121002212020100 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 28140049364 (or 28140049357 counting only the distinct ones).

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

Adding to 121002212020100 its reverse (1020212200121), we get a palindrome (122022424220221).

The spelling of 121002212020100 in words is "one hundred twenty-one trillion, two billion, two hundred twelve million, twenty thousand, one hundred".