222221212110122 has 16 divisors (see below), whose sum is σ = 336343302558432. Its totient is φ = 110110706802000.

The previous prime is 222221212110119. The next prime is 222221212110127. The reversal of 222221212110122 is 221011212122222.

It is a super-2 number, since 2×222221212110122² (a number of 29 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (222221212110127) 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 7 ways as a sum of consecutive naturals, for example, 982106129 + ... + 982332372.

It is an arithmetic number, because the mean of its divisors is an integer number (21021456409902).

Almost surely, 2^{222221212110122} is an apocalyptic number.

222221212110122 is a deficient number, since it is larger than the sum of its proper divisors (114122090448310).

222221212110122 is a wasteful number, since it uses less digits than its factorization.

222221212110122 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1964439013.

The product of its (nonzero) digits is 512, while the sum is 23.

Adding to 222221212110122 its reverse (221011212122222), we get a palindrome (443232424232344).

The spelling of 222221212110122 in words is "two hundred twenty-two trillion, two hundred twenty-one billion, two hundred twelve million, one hundred ten thousand, one hundred twenty-two".