21021232030132 has 24 divisors (see below), whose sum is σ = 38951950875264. Its totient is φ = 9892130017152.

The previous prime is 21021232030111. The next prime is 21021232030171. The reversal of 21021232030132 is 23103023212012.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 169438 + ... + 6486229.

It is an arithmetic number, because the mean of its divisors is an integer number (1622997953136).

Almost surely, 2^{21021232030132} is an apocalyptic number.

It is an amenable number.

21021232030132 is a deficient number, since it is larger than the sum of its proper divisors (17930718845132).

21021232030132 is a wasteful number, since it uses less digits than its factorization.

21021232030132 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6702135 (or 6702133 counting only the distinct ones).

The product of its (nonzero) digits is 864, while the sum is 22.

Adding to 21021232030132 its reverse (23103023212012), we get a palindrome (44124255242144).

The spelling of 21021232030132 in words is "twenty-one trillion, twenty-one billion, two hundred thirty-two million, thirty thousand, one hundred thirty-two".