122104674407021 has 4 divisors (see below), whose sum is σ = 122107485266844. Its totient is φ = 122101863547200.

The previous prime is 122104674406997. The next prime is 122104674407041. The reversal of 122104674407021 is 120704476401221.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 91208975014921 + 30895699392100 = 9550339^2 + 5558390^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-122104674407021 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 122104674407021.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (122104674407041) 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, 1405364750 + ... + 1405451631.

It is an arithmetic number, because the mean of its divisors is an integer number (30526871316711).

Almost surely, 2^{122104674407021} is an apocalyptic number.

It is an amenable number.

122104674407021 is a deficient number, since it is larger than the sum of its proper divisors (2810859823).

122104674407021 is an equidigital number, since it uses as much as digits as its factorization.

122104674407021 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2810859822.

The product of its (nonzero) digits is 150528, while the sum is 41.

The spelling of 122104674407021 in words is "one hundred twenty-two trillion, one hundred four billion, six hundred seventy-four million, four hundred seven thousand, twenty-one".