122344155150021 has 12 divisors (see below), whose sum is σ = 201964954533472. Its totient is φ = 69910945799976.

The previous prime is 122344155149917. The next prime is 122344155150071. The reversal of 122344155150021 is 120051551443221.

122344155150021 is a `hidden beast` number, since 1 + 2 + 2 + 34 + 4 + 1 + 551 + 50 + 0 + 21 = 666.

It is not a de Polignac number, because 122344155150021 - 2⁷ = 122344155149893 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 (122344155150071) 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, 970985358271 + ... + 970985358396.

Almost surely, 2^{122344155150021} is an apocalyptic number.

It is an amenable number.

122344155150021 is a deficient number, since it is larger than the sum of its proper divisors (79620799383451).

122344155150021 is a wasteful number, since it uses less digits than its factorization.

122344155150021 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1941970716680 (or 1941970716677 counting only the distinct ones).

The product of its (nonzero) digits is 48000, while the sum is 36.

The spelling of 122344155150021 in words is "one hundred twenty-two trillion, three hundred forty-four billion, one hundred fifty-five million, one hundred fifty thousand, twenty-one".