121122120013 has 32 divisors (see below), whose sum is σ = 134645732352. Its totient is φ = 108372633600.

The previous prime is 121122119939. The next prime is 121122120029. The reversal of 121122120013 is 310021221121.

It is not a de Polignac number, because 121122120013 - 2⁹ = 121122119501 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 (121122120073) 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, 50869083 + ... + 50871463.

It is an arithmetic number, because the mean of its divisors is an integer number (4207679136).

Almost surely, 2^121122120013 is an apocalyptic number.

It is an amenable number.

121122120013 is a deficient number, since it is larger than the sum of its proper divisors (13523612339).

121122120013 is a wasteful number, since it uses less digits than its factorization.

121122120013 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3165.

The product of its (nonzero) digits is 48, while the sum is 16.

Adding to 121122120013 its reverse (310021221121), we get a palindrome (431143341134).

The spelling of 121122120013 in words is "one hundred twenty-one billion, one hundred twenty-two million, one hundred twenty thousand, thirteen".