222220111002 has 16 divisors (see below), whose sum is σ = 456452120352. Its totient is φ = 72071387280.

The previous prime is 222220110997. The next prime is 222220111007. The reversal of 222220111002 is 200111022222.

It is an interprime number because it is at equal distance from previous prime (222220110997) and next prime (222220111007).

It is not an unprimeable number, because it can be changed into a prime (222220111007) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 500495524 + ... + 500495967.

It is an arithmetic number, because the mean of its divisors is an integer number (28528257522).

Almost surely, 2^222220111002 is an apocalyptic number.

222220111002 is an abundant number, since it is smaller than the sum of its proper divisors (234232009350).

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

222220111002 is a wasteful number, since it uses less digits than its factorization.

222220111002 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1000991533.

The product of its (nonzero) digits is 64, while the sum is 15.

Adding to 222220111002 its reverse (200111022222), we get a palindrome (422331133224).

The spelling of 222220111002 in words is "two hundred twenty-two billion, two hundred twenty million, one hundred eleven thousand, two".