21232130211033 has 12 divisors (see below), whose sum is σ = 32931467266320. Its totient is φ = 12132645834792.

The previous prime is 21232130211029. The next prime is 21232130211043. The reversal of 21232130211033 is 33011203123212.

It is not a de Polignac number, because 21232130211033 - 2² = 21232130211029 is a prime.

It is a super-2 number, since 2×21232130211033² (a number of 27 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 21232130210994 and 21232130211012.

It is not an unprimeable number, because it can be changed into a prime (21232130211043) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 72218129823 + ... + 72218130116.

It is an arithmetic number, because the mean of its divisors is an integer number (2744288938860).

Almost surely, 2^{21232130211033} is an apocalyptic number.

It is an amenable number.

21232130211033 is a deficient number, since it is larger than the sum of its proper divisors (11699337055287).

21232130211033 is a wasteful number, since it uses less digits than its factorization.

21232130211033 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 144436259956 (or 144436259949 counting only the distinct ones).

The product of its (nonzero) digits is 1296, while the sum is 24.

Adding to 21232130211033 its reverse (33011203123212), we get a palindrome (54243333334245).

The spelling of 21232130211033 in words is "twenty-one trillion, two hundred thirty-two billion, one hundred thirty million, two hundred eleven thousand, thirty-three".