222121230132 has 24 divisors (see below), whose sum is σ = 535001673472. Its totient is φ = 71652009600.

The previous prime is 222121230119. The next prime is 222121230157. The reversal of 222121230132 is 231032121222.

It is a junction number, because it is equal to n+sod(n) for n = 222121230099 and 222121230108.

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, 298549669 + ... + 298550412.

Almost surely, 2^222121230132 is an apocalyptic number.

It is an amenable number.

222121230132 is an abundant number, since it is smaller than the sum of its proper divisors (312880443340).

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

222121230132 is a wasteful number, since it uses less digits than its factorization.

222121230132 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 597100119 (or 597100117 counting only the distinct ones).

The product of its (nonzero) digits is 576, while the sum is 21.

Adding to 222121230132 its reverse (231032121222), we get a palindrome (453153351354).

The spelling of 222121230132 in words is "two hundred twenty-two billion, one hundred twenty-one million, two hundred thirty thousand, one hundred thirty-two".