22221402123101 has 8 divisors (see below), whose sum is σ = 22236468239160. Its totient is φ = 22206337569792.

The previous prime is 22221402123079. The next prime is 22221402123133. The reversal of 22221402123101 is 10132120412222.

It can be written as a sum of positive squares in 4 ways, for example, as 6545543597476 + 15675858525625 = 2558426^2 + 3959275^2 .

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-22221402123101 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (22221402123161) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 28795181 + ... + 29556813.

It is an arithmetic number, because the mean of its divisors is an integer number (2779558529895).

Almost surely, 2^{22221402123101} is an apocalyptic number.

It is an amenable number.

22221402123101 is a deficient number, since it is larger than the sum of its proper divisors (15066116059).

22221402123101 is a wasteful number, since it uses less digits than its factorization.

22221402123101 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 781375.

The product of its (nonzero) digits is 768, while the sum is 23.

Adding to 22221402123101 its reverse (10132120412222), we get a palindrome (32353522535323).

The spelling of 22221402123101 in words is "twenty-two trillion, two hundred twenty-one billion, four hundred two million, one hundred twenty-three thousand, one hundred one".