13331121023021 has 8 divisors (see below), whose sum is σ = 13487672293344. Its totient is φ = 13175161629840.

The previous prime is 13331121023009. The next prime is 13331121023027. The reversal of 13331121023021 is 12032012113331.

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-13331121023021 is a prime.

It is a super-2 number, since 2×13331121023021² (a number of 27 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (13331121023027) 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, 147923975 + ... + 148014068.

It is an arithmetic number, because the mean of its divisors is an integer number (1685959036668).

Almost surely, 2^{13331121023021} is an apocalyptic number.

It is an amenable number.

13331121023021 is a deficient number, since it is larger than the sum of its proper divisors (156551270323).

13331121023021 is a wasteful number, since it uses less digits than its factorization.

13331121023021 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 295938571.

The product of its (nonzero) digits is 648, while the sum is 23.

Adding to 13331121023021 its reverse (12032012113331), we get a palindrome (25363133136352).

The spelling of 13331121023021 in words is "thirteen trillion, three hundred thirty-one billion, one hundred twenty-one million, twenty-three thousand, twenty-one".