21232133203130 has 16 divisors (see below), whose sum is σ = 38217969447840. Its totient is φ = 8492824462992.

The previous prime is 21232133203121. The next prime is 21232133203139. The reversal of 21232133203130 is 3130233123212.

It is an interprime number because it is at equal distance from previous prime (21232133203121) and next prime (21232133203139).

It is a self number, because there is not a number n which added to its sum of digits gives 21232133203130.

It is not an unprimeable number, because it can be changed into a prime (21232133203139) 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, 369764 + ... + 6526943.

It is an arithmetic number, because the mean of its divisors is an integer number (2388623090490).

Almost surely, 2^{21232133203130} is an apocalyptic number.

21232133203130 is a deficient number, since it is larger than the sum of its proper divisors (16985836244710).

21232133203130 is a wasteful number, since it uses less digits than its factorization.

21232133203130 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7204573.

The product of its (nonzero) digits is 3888, while the sum is 26.

Adding to 21232133203130 its reverse (3130233123212), we get a palindrome (24362366326342).

The spelling of 21232133203130 in words is "twenty-one trillion, two hundred thirty-two billion, one hundred thirty-three million, two hundred three thousand, one hundred thirty".