222220122021002 has 64 divisors (see below), whose sum is σ = 392017318576128. Its totient is φ = 92491806960000.

The previous prime is 222220122020993. The next prime is 222220122021041. The reversal of 222220122021002 is 200120221022222.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 180295127 + ... + 181523477.

It is an arithmetic number, because the mean of its divisors is an integer number (6125270602752).

Almost surely, 2^{222220122021002} is an apocalyptic number.

222220122021002 is a deficient number, since it is larger than the sum of its proper divisors (169797196555126).

222220122021002 is a wasteful number, since it uses less digits than its factorization.

222220122021002 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1229835.

The product of its (nonzero) digits is 512, while the sum is 20.

Adding to 222220122021002 its reverse (200120221022222), we get a palindrome (422340343043224).

It can be divided in two parts, 2222201220 and 21002, that added together give a palindrome (2222222222).

The spelling of 222220122021002 in words is "two hundred twenty-two trillion, two hundred twenty billion, one hundred twenty-two million, twenty-one thousand, two".