21132011230 has 16 divisors (see below), whose sum is σ = 41495585904. Its totient is φ = 7684367680.

The previous prime is 21132011213. The next prime is 21132011239. The reversal of 21132011230 is 3211023112.

It is a super-2 number, since 2×21132011230² (a number of 21 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (21132011239) 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, 96054487 + ... + 96054706.

It is an arithmetic number, because the mean of its divisors is an integer number (2593474119).

Almost surely, 2^21132011230 is an apocalyptic number.

21132011230 is a deficient number, since it is larger than the sum of its proper divisors (20363574674).

21132011230 is a wasteful number, since it uses less digits than its factorization.

21132011230 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 192109211.

The product of its (nonzero) digits is 72, while the sum is 16.

Adding to 21132011230 its reverse (3211023112), we get a palindrome (24343034342).

The spelling of 21132011230 in words is "twenty-one billion, one hundred thirty-two million, eleven thousand, two hundred thirty".