121012201131100 has 36 divisors (see below), whose sum is σ = 262602056896144. Its totient is φ = 48403851799680.

The previous prime is 121012201131097. The next prime is 121012201131103. The reversal of 121012201131100 is 1131102210121.

It is a happy number.

It is an interprime number because it is at equal distance from previous prime (121012201131097) and next prime (121012201131103).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (121012201131103) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 8120289 + ... + 17548888.

Almost surely, 2^{121012201131100} is an apocalyptic number.

121012201131100 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

121012201131100 is an abundant number, since it is smaller than the sum of its proper divisors (141589855765044).

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

121012201131100 is a wasteful number, since it uses less digits than its factorization.

121012201131100 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 25716334 (or 25716327 counting only the distinct ones).

The product of its (nonzero) digits is 24, while the sum is 16.

Adding to 121012201131100 its reverse (1131102210121), we get a palindrome (122143303341221).

The spelling of 121012201131100 in words is "one hundred twenty-one trillion, twelve billion, two hundred one million, one hundred thirty-one thousand, one hundred".