13321100333121 has 128 divisors (see below), whose sum is σ = 21805701120000. Its totient is φ = 7071998782464.

The previous prime is 13321100333111. The next prime is 13321100333141. The reversal of 13321100333121 is 12133300112331.

It is not a de Polignac number, because 13321100333121 - 2¹⁸ = 13321100070977 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 13321100333091 and 13321100333100.

It is not an unprimeable number, because it can be changed into a prime (13321100333111) by changing a digit.

It is a polite number, since it can be written in 127 ways as a sum of consecutive naturals, for example, 748830295 + ... + 748848083.

It is an arithmetic number, because the mean of its divisors is an integer number (170357040000).

Almost surely, 2^{13321100333121} is an apocalyptic number.

It is an amenable number.

13321100333121 is a deficient number, since it is larger than the sum of its proper divisors (8484600786879).

13321100333121 is a wasteful number, since it uses less digits than its factorization.

13321100333121 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 18231.

The product of its (nonzero) digits is 972, while the sum is 24.

Adding to 13321100333121 its reverse (12133300112331), we get a palindrome (25454400445452).

The spelling of 13321100333121 in words is "thirteen trillion, three hundred twenty-one billion, one hundred million, three hundred thirty-three thousand, one hundred twenty-one".