121311010000100 has 36 divisors (see below), whose sum is σ = 271736662407168. Its totient is φ = 46959100644000.

The previous prime is 121311010000021. The next prime is 121311010000111. The reversal of 121311010000100 is 1000010113121.

It is a happy number.

It is a super-2 number, since 2×121311010000100² (a number of 29 digits) contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 19566288836 + ... + 19566295035.

Almost surely, 2^{121311010000100} is an apocalyptic number.

121311010000100 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

121311010000100 is an abundant number, since it is smaller than the sum of its proper divisors (150425652407068).

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

121311010000100 is a wasteful number, since it uses less digits than its factorization.

121311010000100 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 39132583916 (or 39132583909 counting only the distinct ones).

The product of its (nonzero) digits is 6, while the sum is 11.

Adding to 121311010000100 its reverse (1000010113121), we get a palindrome (122311020113221).

The spelling of 121311010000100 in words is "one hundred twenty-one trillion, three hundred eleven billion, ten million, one hundred", and thus it is an aban number.