122011111122 has 8 divisors (see below), whose sum is σ = 244022222256. Its totient is φ = 40670370372.

The previous prime is 122011111073. The next prime is 122011111141. The reversal of 122011111122 is 221111110221.

It is a happy number.

It is a sphenic number, since it is the product of 3 distinct primes.

122011111122 is an admirable number.

It is a super-2 number, since 2×122011111122² (a number of 23 digits) contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 10167592588 + ... + 10167592599.

It is an arithmetic number, because the mean of its divisors is an integer number (30502777782).

Almost surely, 2^122011111122 is an apocalyptic number.

122011111122 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

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

122011111122 is a wasteful number, since it uses less digits than its factorization.

122011111122 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 20335185192.

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

Adding to 122011111122 its reverse (221111110221), we get a palindrome (343122221343).

Subtracting 122011111122 from its reverse (221111110221), we obtain a palindrome (99099999099).

The spelling of 122011111122 in words is "one hundred twenty-two billion, eleven million, one hundred eleven thousand, one hundred twenty-two".