122106603621 has 12 divisors (see below), whose sum is σ = 166346533472. Its totient is φ = 79672389528.

The previous prime is 122106603611. The next prime is 122106603623. The reversal of 122106603621 is 126306601221.

It is not a de Polignac number, because 122106603621 - 2¹⁵ = 122106570853 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 (122106603623) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 9206185 + ... + 9219438.

Almost surely, 2^122106603621 is an apocalyptic number.

It is an amenable number.

122106603621 is a deficient number, since it is larger than the sum of its proper divisors (44239929851).

122106603621 is an equidigital number, since it uses as much as digits as its factorization.

122106603621 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 18425720 (or 18425673 counting only the distinct ones).

The product of its (nonzero) digits is 5184, while the sum is 30.

The spelling of 122106603621 in words is "one hundred twenty-two billion, one hundred six million, six hundred three thousand, six hundred twenty-one".