121013112013311 has 64 divisors (see below), whose sum is σ = 188711121715200. Its totient is φ = 67540142981376.

The previous prime is 121013112013303. The next prime is 121013112013337. The reversal of 121013112013311 is 113310211310121.

It is not a de Polignac number, because 121013112013311 - 2³ = 121013112013303 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (21).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (121013112015311) by changing a digit.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 2012193480 + ... + 2012253618.

It is an arithmetic number, because the mean of its divisors is an integer number (2948611276800).

Almost surely, 2^{121013112013311} is an apocalyptic number.

121013112013311 is a deficient number, since it is larger than the sum of its proper divisors (67698009701889).

121013112013311 is a wasteful number, since it uses less digits than its factorization.

121013112013311 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 64348.

The product of its (nonzero) digits is 108, while the sum is 21.

Adding to 121013112013311 its reverse (113310211310121), we get a palindrome (234323323323432).

The spelling of 121013112013311 in words is "one hundred twenty-one trillion, thirteen billion, one hundred twelve million, thirteen thousand, three hundred eleven".