122111221022 has 16 divisors (see below), whose sum is σ = 209507849952. Its totient is φ = 52289798400.

The previous prime is 122111221019. The next prime is 122111221031. The reversal of 122111221022 is 220122111221.

It is a super-2 number, since 2×122111221022² (a number of 23 digits) contains 22 as substring.

It is a congruent number.

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, 3614423 + ... + 3648050.

It is an arithmetic number, because the mean of its divisors is an integer number (13094240622).

Almost surely, 2^122111221022 is an apocalyptic number.

122111221022 is a deficient number, since it is larger than the sum of its proper divisors (87396628930).

122111221022 is a wasteful number, since it uses less digits than its factorization.

122111221022 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7263683.

The product of its (nonzero) digits is 64, while the sum is 17.

Adding to 122111221022 its reverse (220122111221), we get a palindrome (342233332243).

The spelling of 122111221022 in words is "one hundred twenty-two billion, one hundred eleven million, two hundred twenty-one thousand, twenty-two".