121102200111000 has 64 divisors (see below), whose sum is σ = 377838864355680. Its totient is φ = 32293920028800.

The previous prime is 121102200110999. The next prime is 121102200111019. The reversal of 121102200111000 is 111002201121.

It is a Harshad number since it is a multiple of its sum of digits (12).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 20183697019 + ... + 20183703018.

Almost surely, 2^{121102200111000} is an apocalyptic number.

121102200111000 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

121102200111000 is an abundant number, since it is smaller than the sum of its proper divisors (256736664244680).

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

121102200111000 is a wasteful number, since it uses less digits than its factorization.

121102200111000 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 40367400061 (or 40367400047 counting only the distinct ones).

The product of its (nonzero) digits is 8, while the sum is 12.

Adding to 121102200111000 its reverse (111002201121), we get a palindrome (121213202312121).

The spelling of 121102200111000 in words is "one hundred twenty-one trillion, one hundred two billion, two hundred million, one hundred eleven thousand".