121021020021112 has 32 divisors (see below), whose sum is σ = 227728519531200. Its totient is φ = 60293427264000.

The previous prime is 121021020021073. The next prime is 121021020021133. The reversal of 121021020021112 is 211120020120121.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 78821089 + ... + 80341807.

It is an arithmetic number, because the mean of its divisors is an integer number (7116516235350).

Almost surely, 2^{121021020021112} is an apocalyptic number.

It is an amenable number.

121021020021112 is a deficient number, since it is larger than the sum of its proper divisors (106707499510088).

121021020021112 is a wasteful number, since it uses less digits than its factorization.

121021020021112 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1556407 (or 1556403 counting only the distinct ones).

The product of its (nonzero) digits is 32, while the sum is 16.

Adding to 121021020021112 its reverse (211120020120121), we get a palindrome (332141040141233).

Subtracting 121021020021112 from its reverse (211120020120121), we obtain a palindrome (90099000099009).

The spelling of 121021020021112 in words is "one hundred twenty-one trillion, twenty-one billion, twenty million, twenty-one thousand, one hundred twelve".