121102202212100 has 36 divisors (see below), whose sum is σ = 262801258549200. Its totient is φ = 48439133465760.

The previous prime is 121102202212063. The next prime is 121102202212109. The reversal of 121102202212100 is 1212202201121.

It is not an unprimeable number, because it can be changed into a prime (121102202212109) by changing a digit.

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, 19054970 + ... + 24602769.

It is an arithmetic number, because the mean of its divisors is an integer number (7300034959700).

Almost surely, 2^{121102202212100} is an apocalyptic number.

121102202212100 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

121102202212100 is an abundant number, since it is smaller than the sum of its proper divisors (141699056337100).

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

121102202212100 is a wasteful number, since it uses less digits than its factorization.

121102202212100 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 43685492 (or 43685485 counting only the distinct ones).

The product of its (nonzero) digits is 64, while the sum is 17.

Adding to 121102202212100 its reverse (1212202201121), we get a palindrome (122314404413221).

It can be divided in two parts, 121102 and 202212100, that added together give a palindrome (202333202).

The spelling of 121102202212100 in words is "one hundred twenty-one trillion, one hundred two billion, two hundred two million, two hundred twelve thousand, one hundred".