122111220122112 has 80 divisors (see below), whose sum is σ = 350335916441280. Its totient is φ = 37572683108352.

The previous prime is 122111220122077. The next prime is 122111220122113. The reversal of 122111220122112 is 211221022111221.

It is a super-2 number, since 2×122111220122112² (a number of 29 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (122111220122113) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 3057652812 + ... + 3057692747.

It is an arithmetic number, because the mean of its divisors is an integer number (4379198955516).

Almost surely, 2^{122111220122112} is an apocalyptic number.

122111220122112 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

122111220122112 is an abundant number, since it is smaller than the sum of its proper divisors (228224696319168).

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

122111220122112 is an equidigital number, since it uses as much as digits as its factorization.

122111220122112 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6115345593 (or 6115345577 counting only the distinct ones).

The product of its (nonzero) digits is 128, while the sum is 21.

Adding to 122111220122112 its reverse (211221022111221), we get a palindrome (333332242233333).

The spelling of 122111220122112 in words is "one hundred twenty-two trillion, one hundred eleven billion, two hundred twenty million, one hundred twenty-two thousand, one hundred twelve".