122220109973 has 24 divisors (see below), whose sum is σ = 139456540800. Its totient is φ = 106768606464.

The previous prime is 122220109889. The next prime is 122220109981. The reversal of 122220109973 is 379901022221.

It is not a de Polignac number, because 122220109973 - 2¹⁶ = 122220044437 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (122220109273) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 3117668 + ... + 3156626.

It is an arithmetic number, because the mean of its divisors is an integer number (5810689200).

Almost surely, 2^122220109973 is an apocalyptic number.

122220109973 is a gapful number since it is divisible by the number (13) formed by its first and last digit.

It is an amenable number.

122220109973 is a deficient number, since it is larger than the sum of its proper divisors (17236430827).

122220109973 is a wasteful number, since it uses less digits than its factorization.

122220109973 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 39981 (or 39968 counting only the distinct ones).

The product of its (nonzero) digits is 27216, while the sum is 38.

The spelling of 122220109973 in words is "one hundred twenty-two billion, two hundred twenty million, one hundred nine thousand, nine hundred seventy-three".