121013023031121 has 48 divisors (see below), whose sum is σ = 176340087268800. Its totient is φ = 73378635505920.

The previous prime is 121013023031107. The next prime is 121013023031167. The reversal of 121013023031121 is 121130320310121.

It is not a de Polignac number, because 121013023031121 - 2⁷ = 121013023030993 is a prime.

It is not an unprimeable number, because it can be changed into a prime (121013023031101) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 83146530 + ... + 84589428.

It is an arithmetic number, because the mean of its divisors is an integer number (3673751818100).

Almost surely, 2^{121013023031121} is an apocalyptic number.

It is an amenable number.

121013023031121 is a deficient number, since it is larger than the sum of its proper divisors (55327064237679).

121013023031121 is a wasteful number, since it uses less digits than its factorization.

121013023031121 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1443314 (or 1443205 counting only the distinct ones).

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

Adding to 121013023031121 its reverse (121130320310121), we get a palindrome (242143343341242).

The spelling of 121013023031121 in words is "one hundred twenty-one trillion, thirteen billion, twenty-three million, thirty-one thousand, one hundred twenty-one".