22047221074121 has 8 divisors (see below), whose sum is σ = 22074407136264. Its totient is φ = 22020038150400.

The previous prime is 22047221074097. The next prime is 22047221074133. The reversal of 22047221074121 is 12147012274022.

It can be written as a sum of positive squares in 4 ways, for example, as 9004866657721 + 13042354416400 = 3000811^2 + 3611420^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 22047221074121 - 2²² = 22047216879817 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (22047221074171) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 13432571 + ... + 14984271.

It is an arithmetic number, because the mean of its divisors is an integer number (2759300892033).

Almost surely, 2^{22047221074121} is an apocalyptic number.

It is an amenable number.

22047221074121 is a deficient number, since it is larger than the sum of its proper divisors (27186062143).

22047221074121 is a wasteful number, since it uses less digits than its factorization.

22047221074121 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1569211.

The product of its (nonzero) digits is 25088, while the sum is 35.

The spelling of 22047221074121 in words is "twenty-two trillion, forty-seven billion, two hundred twenty-one million, seventy-four thousand, one hundred twenty-one".