121112000330021 has 32 divisors (see below), whose sum is σ = 128185794691200. Its totient is φ = 114258100320000.

The previous prime is 121112000329949. The next prime is 121112000330081. The reversal of 121112000330021 is 120033000211121.

It is a cyclic number.

It is not a de Polignac number, because 121112000330021 - 2²⁶ = 121111933221157 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (121112000330081) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 307271171 + ... + 307665071.

It is an arithmetic number, because the mean of its divisors is an integer number (4005806084100).

Almost surely, 2^{121112000330021} is an apocalyptic number.

It is an amenable number.

121112000330021 is a deficient number, since it is larger than the sum of its proper divisors (7073794361179).

121112000330021 is a wasteful number, since it uses less digits than its factorization.

121112000330021 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 395141.

The product of its (nonzero) digits is 72, while the sum is 17.

Adding to 121112000330021 its reverse (120033000211121), we get a palindrome (241145000541142).

The spelling of 121112000330021 in words is "one hundred twenty-one trillion, one hundred twelve billion, three hundred thirty thousand, twenty-one".