122100110019 has 8 divisors (see below), whose sum is σ = 180889051920. Its totient is φ = 81400073328.

The previous prime is 122100109981. The next prime is 122100110063. The reversal of 122100110019 is 910011001221.

It is a happy number.

It is not a de Polignac number, because 122100110019 - 2⁷ = 122100109891 is a prime.

It is a super-2 number, since 2×122100110019² (a number of 23 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 122100109983 and 122100110010.

It is not an unprimeable number, because it can be changed into a prime (122100110219) 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, 2261113122 + ... + 2261113175.

It is an arithmetic number, because the mean of its divisors is an integer number (22611131490).

Almost surely, 2^122100110019 is an apocalyptic number.

122100110019 is a deficient number, since it is larger than the sum of its proper divisors (58788941901).

122100110019 is an equidigital number, since it uses as much as digits as its factorization.

122100110019 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4522226306 (or 4522226300 counting only the distinct ones).

The product of its (nonzero) digits is 36, while the sum is 18.

The spelling of 122100110019 in words is "one hundred twenty-two billion, one hundred million, one hundred ten thousand, nineteen".