121351032113 has 32 divisors (see below), whose sum is σ = 137886105600. Its totient is φ = 106190568000.

The previous prime is 121351032073. The next prime is 121351032181. The reversal of 121351032113 is 311230153121.

It is a cyclic number.

It is not a de Polignac number, because 121351032113 - 2¹⁴ = 121351015729 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (23).

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (121351232113) 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, 6479663 + ... + 6498363.

It is an arithmetic number, because the mean of its divisors is an integer number (4308940800).

Almost surely, 2^121351032113 is an apocalyptic number.

It is an amenable number.

121351032113 is a deficient number, since it is larger than the sum of its proper divisors (16535073487).

121351032113 is a wasteful number, since it uses less digits than its factorization.

121351032113 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 19253.

The product of its (nonzero) digits is 540, while the sum is 23.

Adding to 121351032113 its reverse (311230153121), we get a palindrome (432581185234).

The spelling of 121351032113 in words is "one hundred twenty-one billion, three hundred fifty-one million, thirty-two thousand, one hundred thirteen".