22012221303101 has 4 divisors (see below), whose sum is σ = 22012775541600. Its totient is φ = 22011667064604.

The previous prime is 22012221303077. The next prime is 22012221303113. The reversal of 22012221303101 is 10130312221022.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-22012221303101 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 (22012221303601) 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, 277059671 + ... + 277139108.

It is an arithmetic number, because the mean of its divisors is an integer number (5503193885400).

Almost surely, 2^{22012221303101} is an apocalyptic number.

It is an amenable number.

22012221303101 is a deficient number, since it is larger than the sum of its proper divisors (554238499).

22012221303101 is an equidigital number, since it uses as much as digits as its factorization.

22012221303101 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 554238498.

The product of its (nonzero) digits is 288, while the sum is 20.

Adding to 22012221303101 its reverse (10130312221022), we get a palindrome (32142533524123).

The spelling of 22012221303101 in words is "twenty-two trillion, twelve billion, two hundred twenty-one million, three hundred three thousand, one hundred one".