121002210211100 has 18 divisors (see below), whose sum is σ = 262574796158304. Its totient is φ = 48400884084400.

The previous prime is 121002210210919. The next prime is 121002210211151. The reversal of 121002210211100 is 1112012200121.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 605011050956 + ... + 605011051155.

Almost surely, 2^{121002210211100} is an apocalyptic number.

121002210211100 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

121002210211100 is an abundant number, since it is smaller than the sum of its proper divisors (141572585947204).

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

121002210211100 is a wasteful number, since it uses less digits than its factorization.

121002210211100 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1210022102125 (or 1210022102118 counting only the distinct ones).

The product of its (nonzero) digits is 16, while the sum is 14.

Adding to 121002210211100 its reverse (1112012200121), we get a palindrome (122114222411221).

The spelling of 121002210211100 in words is "one hundred twenty-one trillion, two billion, two hundred ten million, two hundred eleven thousand, one hundred".