111000000122122 has 16 divisors (see below), whose sum is σ = 166619216630592. Its totient is φ = 55460271540960.

The previous prime is 111000000122087. The next prime is 111000000122131. The reversal of 111000000122122 is 221221000000111.

It is a super-2 number, since 2×111000000122122² (a number of 29 digits) contains 22 as substring.

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, 19024753 + ... + 24164875.

It is an arithmetic number, because the mean of its divisors is an integer number (10413701039412).

Almost surely, 2^{111000000122122} is an apocalyptic number.

111000000122122 is a deficient number, since it is larger than the sum of its proper divisors (55619216508470).

111000000122122 is a wasteful number, since it uses less digits than its factorization.

111000000122122 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5147853.

The product of its (nonzero) digits is 16, while the sum is 13.

Adding to 111000000122122 its reverse (221221000000111), we get a palindrome (332221000122233).

The spelling of 111000000122122 in words is "one hundred eleven trillion, one hundred twenty-two thousand, one hundred twenty-two".