122120100112 has 10 divisors (see below), whose sum is σ = 236607693998. Its totient is φ = 61060050048.

The previous prime is 122120100101. The next prime is 122120100121. The reversal of 122120100112 is 211001021221.

It can be written as a sum of positive squares in only one way, i.e., 113531259136 + 8588840976 = 336944^2 + 92676^2 .

It is a junction number, because it is equal to n+sod(n) for n = 122120100092 and 122120100101.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 3816253113 + ... + 3816253144.

Almost surely, 2^122120100112 is an apocalyptic number.

It is an amenable number.

122120100112 is a deficient number, since it is larger than the sum of its proper divisors (114487593886).

122120100112 is an equidigital number, since it uses as much as digits as its factorization.

122120100112 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7632506265 (or 7632506259 counting only the distinct ones).

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

Adding to 122120100112 its reverse (211001021221), we get a palindrome (333121121333).

The spelling of 122120100112 in words is "one hundred twenty-two billion, one hundred twenty million, one hundred thousand, one hundred twelve".