222112111121022 has 32 divisors (see below), whose sum is σ = 459918049351680. Its totient is φ = 71425907527520.

The previous prime is 222112111121003. The next prime is 222112111121023. The reversal of 222112111121022 is 220121111211222.

It is a self number, because there is not a number n which added to its sum of digits gives 222112111121022.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (222112111121023) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 521662254 + ... + 522087857.

It is an arithmetic number, because the mean of its divisors is an integer number (14372439042240).

Almost surely, 2^{222112111121022} is an apocalyptic number.

222112111121022 is an abundant number, since it is smaller than the sum of its proper divisors (237805938230658).

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

222112111121022 is a wasteful number, since it uses less digits than its factorization.

222112111121022 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1043751368.

The product of its (nonzero) digits is 128, while the sum is 21.

Adding to 222112111121022 its reverse (220121111211222), we get a palindrome (442233222332244).

It can be divided in two parts, 2221 and 12111121022, that multiplied together give a palindrome (26898799789862).

The spelling of 222112111121022 in words is "two hundred twenty-two trillion, one hundred twelve billion, one hundred eleven million, one hundred twenty-one thousand, twenty-two".