222222121211002 has 16 divisors (see below), whose sum is σ = 363636659999232. Its totient is φ = 101009926858720.

The previous prime is 222222121210951. The next prime is 222222121211029. The reversal of 222222121211002 is 200112121222222.

It is a Harshad number since it is a multiple of its sum of digits (22).

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, 12558183 + ... + 24538789.

It is an arithmetic number, because the mean of its divisors is an integer number (22727291249952).

Almost surely, 2^{222222121211002} is an apocalyptic number.

222222121211002 is a gapful number since it is divisible by the number (22) formed by its first and last digit.

222222121211002 is a deficient number, since it is larger than the sum of its proper divisors (141414538788230).

222222121211002 is a wasteful number, since it uses less digits than its factorization.

222222121211002 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 12823733.

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

Adding to 222222121211002 its reverse (200112121222222), we get a palindrome (422334242433224).

The spelling of 222222121211002 in words is "two hundred twenty-two trillion, two hundred twenty-two billion, one hundred twenty-one million, two hundred eleven thousand, two".