21322232112230 has 32 divisors (see below), whose sum is σ = 43867385504064. Its totient is φ = 7309728245376.

The previous prime is 21322232112173. The next prime is 21322232112263. The reversal of 21322232112230 is 3221123222312.

It is a self number, because there is not a number n which added to its sum of digits gives 21322232112230.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 14966657 + ... + 16329276.

It is an arithmetic number, because the mean of its divisors is an integer number (1370855797002).

Almost surely, 2^{21322232112230} is an apocalyptic number.

21322232112230 is an abundant number, since it is smaller than the sum of its proper divisors (22545153391834).

21322232112230 is a wasteful number, since it uses less digits than its factorization.

21322232112230 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 31305680.

The product of its (nonzero) digits is 3456, while the sum is 26.

Adding to 21322232112230 its reverse (3221123222312), we get a palindrome (24543355334542).

The spelling of 21322232112230 in words is "twenty-one trillion, three hundred twenty-two billion, two hundred thirty-two million, one hundred twelve thousand, two hundred thirty".