222121121222002 has 16 divisors (see below), whose sum is σ = 336239148168000. Its totient is φ = 110041409733840.

The previous prime is 222121121221981. The next prime is 222121121222069. The reversal of 222121121222002 is 200222121121222.

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, 131708499 + ... + 133384297.

It is an arithmetic number, because the mean of its divisors is an integer number (21014946760500).

Almost surely, 2^{222121121222002} is an apocalyptic number.

222121121222002 is a deficient number, since it is larger than the sum of its proper divisors (114118026945998).

222121121222002 is a wasteful number, since it uses less digits than its factorization.

222121121222002 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2283921.

The product of its (nonzero) digits is 512, while the sum is 22.

Adding to 222121121222002 its reverse (200222121121222), we get a palindrome (422343242343224).

The spelling of 222121121222002 in words is "two hundred twenty-two trillion, one hundred twenty-one billion, one hundred twenty-one million, two hundred twenty-two thousand, two".