222221122211122 has 32 divisors (see below), whose sum is σ = 343552565946240. Its totient is φ = 107752963443840.

The previous prime is 222221122211093. The next prime is 222221122211167. The reversal of 222221122211122 is 221112221122222.

It is a nude number because it is divisible by every one of its digits.

It is a zygodrome in base 10.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 24064203 + ... + 31992625.

It is an arithmetic number, because the mean of its divisors is an integer number (10736017685820).

Almost surely, 2^{222221122211122} is an apocalyptic number.

222221122211122 is a deficient number, since it is larger than the sum of its proper divisors (121331443735118).

222221122211122 is a wasteful number, since it uses less digits than its factorization.

222221122211122 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7931538.

The product of its digits is 1024, while the sum is 25.

Adding to 222221122211122 its reverse (221112221122222), we get a palindrome (443333343333344).

The spelling of 222221122211122 in words is "two hundred twenty-two trillion, two hundred twenty-one billion, one hundred twenty-two million, two hundred eleven thousand, one hundred twenty-two".