21232333211331 has 32 divisors (see below), whose sum is σ = 32509339948800. Its totient is φ = 12190624174080.

The previous prime is 21232333211321. The next prime is 21232333211381. The reversal of 21232333211331 is 13311233323212.

It is not a de Polignac number, because 21232333211331 - 2²² = 21232329017027 is a prime.

It is a super-2 number, since 2×21232333211331² (a number of 27 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (21232333211321) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 46935955 + ... + 47386163.

It is an arithmetic number, because the mean of its divisors is an integer number (1015916873400).

Almost surely, 2^{21232333211331} is an apocalyptic number.

21232333211331 is a deficient number, since it is larger than the sum of its proper divisors (11277006737469).

21232333211331 is a wasteful number, since it uses less digits than its factorization.

21232333211331 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 525459.

The product of its digits is 11664, while the sum is 30.

Adding to 21232333211331 its reverse (13311233323212), we get a palindrome (34543566534543).

The spelling of 21232333211331 in words is "twenty-one trillion, two hundred thirty-two billion, three hundred thirty-three million, two hundred eleven thousand, three hundred thirty-one".