222120112201002 has 12 divisors (see below), whose sum is σ = 481260243102210. Its totient is φ = 74040037400328.

The previous prime is 222120112200989. The next prime is 222120112201021. The reversal of 222120112201002 is 200102211021222.

It is a happy number.

222120112201002 is a `hidden beast` number, since 222 + 120 + 1 + 1 + 220 + 100 + 2 = 666.

It can be written as a sum of positive squares in only one way, i.e., 127844382035241 + 94275730165761 = 11306829^2 + 9709569^2 .

It is a Harshad number since it is a multiple of its sum of digits (18), and also a Moran number because the ratio is a prime number: 12340006233389 = 222120112201002 / (2 + 2 + 2 + 1 + 2 + 0 + 1 + 1 + 2 + 2 + 0 + 1 + 0 + 0 + 2).

It is an unprimeable number.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 6170003116677 + ... + 6170003116712.

Almost surely, 2^{222120112201002} is an apocalyptic number.

222120112201002 is an abundant number, since it is smaller than the sum of its proper divisors (259140130901208).

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

222120112201002 is a wasteful number, since it uses less digits than its factorization.

222120112201002 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 12340006233397 (or 12340006233394 counting only the distinct ones).

The product of its (nonzero) digits is 128, while the sum is 18.

Adding to 222120112201002 its reverse (200102211021222), we get a palindrome (422222323222224).

The spelling of 222120112201002 in words is "two hundred twenty-two trillion, one hundred twenty billion, one hundred twelve million, two hundred one thousand, two".