122111011122 has 16 divisors (see below), whose sum is σ = 244225477920. Its totient is φ = 40703094432.

The previous prime is 122111011111. The next prime is 122111011147. The reversal of 122111011122 is 221110111221.

It is a happy number.

It is a super-2 number, since 2×122111011122² (a number of 23 digits) contains 22 as substring.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 665193 + ... + 828675.

It is an arithmetic number, because the mean of its divisors is an integer number (15264092370).

Almost surely, 2^122111011122 is an apocalyptic number.

122111011122 is an abundant number, since it is smaller than the sum of its proper divisors (122114466798).

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

122111011122 is a wasteful number, since it uses less digits than its factorization.

122111011122 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 287977.

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

Adding to 122111011122 its reverse (221110111221), we get a palindrome (343221122343).

The spelling of 122111011122 in words is "one hundred twenty-two billion, one hundred eleven million, eleven thousand, one hundred twenty-two".