121333011212100 has 72 divisors (see below), whose sum is σ = 360544868665408. Its totient is φ = 31480997500800.

The previous prime is 121333011212053. The next prime is 121333011212117. The reversal of 121333011212100 is 1212110333121.

It is a super-2 number, since 2×121333011212100² (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 23 ways as a sum of consecutive naturals, for example, 5465439856 + ... + 5465462055.

Almost surely, 2^{121333011212100} is an apocalyptic number.

121333011212100 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

121333011212100 is an abundant number, since it is smaller than the sum of its proper divisors (239211857453308).

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

121333011212100 is a wasteful number, since it uses less digits than its factorization.

121333011212100 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10930901965 (or 10930901958 counting only the distinct ones).

The product of its (nonzero) digits is 216, while the sum is 21.

Adding to 121333011212100 its reverse (1212110333121), we get a palindrome (122545121545221).

The spelling of 121333011212100 in words is "one hundred twenty-one trillion, three hundred thirty-three billion, eleven million, two hundred twelve thousand, one hundred".