222222012021122 has 64 divisors (see below), whose sum is σ = 371077358713344. Its totient is φ = 99270607687680.

The previous prime is 222222012021059. The next prime is 222222012021157. The reversal of 222222012021122 is 221120210222222.

It is a Harshad number since it is a multiple of its sum of digits (23).

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 387860222 + ... + 388432742.

It is an arithmetic number, because the mean of its divisors is an integer number (5798083729896).

Almost surely, 2^{222222012021122} is an apocalyptic number.

222222012021122 is a deficient number, since it is larger than the sum of its proper divisors (148855346692222).

222222012021122 is a wasteful number, since it uses less digits than its factorization.

222222012021122 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 576323.

The product of its (nonzero) digits is 1024, while the sum is 23.

Adding to 222222012021122 its reverse (221120210222222), we get a palindrome (443342222243344).

The spelling of 222222012021122 in words is "two hundred twenty-two trillion, two hundred twenty-two billion, twelve million, twenty-one thousand, one hundred twenty-two".