121002100100112 has 120 divisors (see below), whose sum is σ = 396680354216352. Its totient is φ = 31429116902400.

The previous prime is 121002100100107. The next prime is 121002100100117. The reversal of 121002100100112 is 211001001200121.

121002100100112 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is an interprime number because it is at equal distance from previous prime (121002100100107) and next prime (121002100100117).

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

It is not an unprimeable number, because it can be changed into a prime (121002100100117) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 2338450089 + ... + 2338501832.

Almost surely, 2^{121002100100112} is an apocalyptic number.

121002100100112 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

121002100100112 is an abundant number, since it is smaller than the sum of its proper divisors (275678254116240).

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

121002100100112 is a wasteful number, since it uses less digits than its factorization.

121002100100112 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4676951957 (or 4676951944 counting only the distinct ones).

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

Adding to 121002100100112 its reverse (211001001200121), we get a palindrome (332003101300233).

The spelling of 121002100100112 in words is "one hundred twenty-one trillion, two billion, one hundred million, one hundred thousand, one hundred twelve".