222021001120 has 24 divisors (see below), whose sum is σ = 524524615524. Its totient is φ = 88808400384.

The previous prime is 222021001091. The next prime is 222021001133. The reversal of 222021001120 is 21100120222.

It is a happy number.

It can be written as a sum of positive squares in 2 ways, for example, as 212222376976 + 9798624144 = 460676^2 + 98988^2 .

It is a self number, because there is not a number n which added to its sum of digits gives 222021001120.

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, 693815469 + ... + 693815788.

Almost surely, 2^222021001120 is an apocalyptic number.

222021001120 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

222021001120 is an abundant number, since it is smaller than the sum of its proper divisors (302503614404).

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

222021001120 is a wasteful number, since it uses less digits than its factorization.

222021001120 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1387631272 (or 1387631264 counting only the distinct ones).

The product of its (nonzero) digits is 32, while the sum is 13.

Adding to 222021001120 its reverse (21100120222), we get a palindrome (243121121342).

The spelling of 222021001120 in words is "two hundred twenty-two billion, twenty-one million, one thousand, one hundred twenty".