122895598221 has 48 divisors (see below), whose sum is σ = 207024820800. Its totient is φ = 71913774240.

The previous prime is 122895598207. The next prime is 122895598237.

122895598221 is a `hidden beast` number, since 1 + 2 + 2 + 8 + 9 + 559 + 82 + 2 + 1 = 666.

122895598221 is nontrivially palindromic in base 10.

It is not a de Polignac number, because 122895598221 - 2²¹ = 122893501069 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (122895598271) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 553831 + ... + 743316.

It is an arithmetic number, because the mean of its divisors is an integer number (4313017100).

Almost surely, 2^122895598221 is an apocalyptic number.

122895598221 is a gapful number since it is divisible by the number (11) formed by its first and last digit.

It is an amenable number.

122895598221 is a deficient number, since it is larger than the sum of its proper divisors (84129222579).

122895598221 is a wasteful number, since it uses less digits than its factorization.

122895598221 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1297207 (or 1297190 counting only the distinct ones).

The product of its digits is 2073600, while the sum is 54.

The spelling of 122895598221 in words is "one hundred twenty-two billion, eight hundred ninety-five million, five hundred ninety-eight thousand, two hundred twenty-one".