21230201330112 has 84 divisors (see below), whose sum is σ = 58720001447240. Its totient is φ = 6769049667072.

The previous prime is 21230201330081. The next prime is 21230201330161. The reversal of 21230201330112 is 21103310203212.

It is a super-4 number, since 4×21230201330112⁴ (a number of 54 digits) contains 4444 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 104410687 + ... + 104613822.

Almost surely, 2^{21230201330112} is an apocalyptic number.

It is an amenable number.

21230201330112 is an abundant number, since it is smaller than the sum of its proper divisors (37489800117128).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

21230201330112 is a wasteful number, since it uses less digits than its factorization.

21230201330112 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 209024570 (or 209024537 counting only the distinct ones).

The product of its (nonzero) digits is 432, while the sum is 21.

Adding to 21230201330112 its reverse (21103310203212), we get a palindrome (42333511533324).

The spelling of 21230201330112 in words is "twenty-one trillion, two hundred thirty billion, two hundred one million, three hundred thirty thousand, one hundred twelve".