122621107198 has 8 divisors (see below), whose sum is σ = 184162443192. Its totient is φ = 61233626136.

The previous prime is 122621107087. The next prime is 122621107237. The reversal of 122621107198 is 891701126221.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a super-2 number, since 2×122621107198² (a number of 23 digits) contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 122621107198.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 38461740 + ... + 38464927.

It is an arithmetic number, because the mean of its divisors is an integer number (23020305399).

Almost surely, 2^122621107198 is an apocalyptic number.

122621107198 is a deficient number, since it is larger than the sum of its proper divisors (61541335994).

122621107198 is an equidigital number, since it uses as much as digits as its factorization.

122621107198 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 76927466.

The product of its (nonzero) digits is 24192, while the sum is 40.

The spelling of 122621107198 in words is "one hundred twenty-two billion, six hundred twenty-one million, one hundred seven thousand, one hundred ninety-eight".