133011321023021 has 16 divisors (see below), whose sum is σ = 152579194248960. Its totient is φ = 113585018184960.

The previous prime is 133011321022961. The next prime is 133011321023039. The reversal of 133011321023021 is 120320123110331.

It is not a de Polignac number, because 133011321023021 - 2¹⁴ = 133011321006637 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 (133011321023041) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 460665320 + ... + 460953966.

It is an arithmetic number, because the mean of its divisors is an integer number (9536199640560).

Almost surely, 2^{133011321023021} is an apocalyptic number.

It is an amenable number.

133011321023021 is a deficient number, since it is larger than the sum of its proper divisors (19567873225939).

133011321023021 is a wasteful number, since it uses less digits than its factorization.

133011321023021 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 533644.

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

Adding to 133011321023021 its reverse (120320123110331), we get a palindrome (253331444133352).

The spelling of 133011321023021 in words is "one hundred thirty-three trillion, eleven billion, three hundred twenty-one million, twenty-three thousand, twenty-one".