122273098184521 has 4 divisors (see below), whose sum is σ = 122273343068292. Its totient is φ = 122272853300752.

The previous prime is 122273098184473. The next prime is 122273098184533. The reversal of 122273098184521 is 125481890372221.

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 66708954678025 + 55564143506496 = 8167555^2 + 7454136^2 .

It is a cyclic number.

It is not a de Polignac number, because 122273098184521 - 2²¹ = 122273096087369 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (122273098184551) 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, 121691386 + ... + 122692051.

It is an arithmetic number, because the mean of its divisors is an integer number (30568335767073).

Almost surely, 2^{122273098184521} is an apocalyptic number.

It is an amenable number.

122273098184521 is a deficient number, since it is larger than the sum of its proper divisors (244883771).

122273098184521 is an equidigital number, since it uses as much as digits as its factorization.

122273098184521 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 244883770.

The product of its (nonzero) digits is 3870720, while the sum is 55.

The spelling of 122273098184521 in words is "one hundred twenty-two trillion, two hundred seventy-three billion, ninety-eight million, one hundred eighty-four thousand, five hundred twenty-one".