122075463521 has 4 divisors (see below), whose sum is σ = 133173232944. Its totient is φ = 110977694100.

The previous prime is 122075463509. The next prime is 122075463563. The reversal of 122075463521 is 125364570221.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4, and also an emirpimes, since its reverse is a distinct semiprime: 125364570221 = 11 ⋅11396779111.

It is a cyclic number.

It is not a de Polignac number, because 122075463521 - 2³⁰ = 121001721697 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (122075463221) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 5548884695 + ... + 5548884716.

It is an arithmetic number, because the mean of its divisors is an integer number (33293308236).

Almost surely, 2^122075463521 is an apocalyptic number.

122075463521 is a gapful number since it is divisible by the number (11) formed by its first and last digit.

It is an amenable number.

122075463521 is a deficient number, since it is larger than the sum of its proper divisors (11097769423).

122075463521 is a wasteful number, since it uses less digits than its factorization.

122075463521 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 11097769422.

The product of its (nonzero) digits is 100800, while the sum is 38.

The spelling of 122075463521 in words is "one hundred twenty-two billion, seventy-five million, four hundred sixty-three thousand, five hundred twenty-one".