21132111330201 has 16 divisors (see below), whose sum is σ = 28260161463744. Its totient is φ = 14046075795264.

The previous prime is 21132111330167. The next prime is 21132111330223. The reversal of 21132111330201 is 10203311123112.

It is not a de Polignac number, because 21132111330201 - 2¹⁵ = 21132111297433 is a prime.

It is a super-2 number, since 2×21132111330201² (a number of 27 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (21132111330251) 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, 9501175 + ... + 11512451.

It is an arithmetic number, because the mean of its divisors is an integer number (1766260091484).

Almost surely, 2^{21132111330201} is an apocalyptic number.

It is an amenable number.

21132111330201 is a deficient number, since it is larger than the sum of its proper divisors (7128050133543).

21132111330201 is a wasteful number, since it uses less digits than its factorization.

21132111330201 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2021720.

The product of its (nonzero) digits is 216, while the sum is 21.

Adding to 21132111330201 its reverse (10203311123112), we get a palindrome (31335422453313).

The spelling of 21132111330201 in words is "twenty-one trillion, one hundred thirty-two billion, one hundred eleven million, three hundred thirty thousand, two hundred one".