122013311321 has 8 divisors (see below), whose sum is σ = 134283356064. Its totient is φ = 109939587520.

The previous prime is 122013311263. The next prime is 122013311323. The reversal of 122013311321 is 123113310221.

It is a happy number.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 122013311321 - 2²² = 122009117017 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 122013311293 and 122013311302.

It is not an unprimeable number, because it can be changed into a prime (122013311323) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 49078931 + ... + 49081416.

It is an arithmetic number, because the mean of its divisors is an integer number (16785419508).

Almost surely, 2^122013311321 is an apocalyptic number.

122013311321 is a gapful number since it is divisible by the number (11) formed by its first and last digit.

It is an amenable number.

122013311321 is a deficient number, since it is larger than the sum of its proper divisors (12270044743).

122013311321 is a wasteful number, since it uses less digits than its factorization.

122013311321 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 98160471.

The product of its (nonzero) digits is 216, while the sum is 20.

Adding to 122013311321 its reverse (123113310221), we get a palindrome (245126621542).

It can be divided in two parts, 122013 and 311321, that added together give a palindrome (433334).

The spelling of 122013311321 in words is "one hundred twenty-two billion, thirteen million, three hundred eleven thousand, three hundred twenty-one".