122111111022 has 16 divisors (see below), whose sum is σ = 244303368192. Its totient is φ = 40690179320.

The previous prime is 122111111011. The next prime is 122111111047. The reversal of 122111111022 is 220111111221.

It is a happy number.

It is a super-2 number, since 2×122111111022² (a number of 23 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 122111110992 and 122111111010.

It is a congruent number.

It is an unprimeable number.

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, 3361518 + ... + 3397649.

It is an arithmetic number, because the mean of its divisors is an integer number (15268960512).

Almost surely, 2^122111111022 is an apocalyptic number.

122111111022 is an abundant number, since it is smaller than the sum of its proper divisors (122192257170).

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

122111111022 is a wasteful number, since it uses less digits than its factorization.

122111111022 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6762183.

The product of its (nonzero) digits is 16, while the sum is 15.

Adding to 122111111022 its reverse (220111111221), we get a palindrome (342222222243).

The spelling of 122111111022 in words is "one hundred twenty-two billion, one hundred eleven million, one hundred eleven thousand, twenty-two".