22221121112002 has 16 divisors (see below), whose sum is σ = 33358043164032. Its totient is φ = 11101773831120.

The previous prime is 22221121111993. The next prime is 22221121112027. The reversal of 22221121112002 is 20021112112222.

It is a super-2 number, since 2×22221121112002² (a number of 27 digits) contains 22 as substring.

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, 131820823 + ... + 131989285.

It is an arithmetic number, because the mean of its divisors is an integer number (2084877697752).

Almost surely, 2^{22221121112002} is an apocalyptic number.

22221121112002 is a deficient number, since it is larger than the sum of its proper divisors (11136922052030).

22221121112002 is a wasteful number, since it uses less digits than its factorization.

22221121112002 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 220233.

The product of its (nonzero) digits is 128, while the sum is 19.

Adding to 22221121112002 its reverse (20021112112222), we get a palindrome (42242233224224).

The spelling of 22221121112002 in words is "twenty-two trillion, two hundred twenty-one billion, one hundred twenty-one million, one hundred twelve thousand, two".