222021131312 has 20 divisors (see below), whose sum is σ = 430515424416. Its totient is φ = 110920376640.

The previous prime is 222021131309. The next prime is 222021131359. The reversal of 222021131312 is 213131120222.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 5616503 + ... + 5655894.

Almost surely, 2^222021131312 is an apocalyptic number.

It is an amenable number.

222021131312 is a deficient number, since it is larger than the sum of its proper divisors (208494293104).

222021131312 is a wasteful number, since it uses less digits than its factorization.

222021131312 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 11273636 (or 11273630 counting only the distinct ones).

The product of its (nonzero) digits is 288, while the sum is 20.

Adding to 222021131312 its reverse (213131120222), we get a palindrome (435152251534).

The spelling of 222021131312 in words is "two hundred twenty-two billion, twenty-one million, one hundred thirty-one thousand, three hundred twelve".