22010121222101 has 4 divisors (see below), whose sum is σ = 22010145694752. Its totient is φ = 22010096749452.

The previous prime is 22010121222017. The next prime is 22010121222161. The reversal of 22010121222101 is 10122212101022.

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-22010121222101 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 22010121222101.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (22010121222161) 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, 10833665 + ... + 12703878.

It is an arithmetic number, because the mean of its divisors is an integer number (5502536423688).

Almost surely, 2^{22010121222101} is an apocalyptic number.

It is an amenable number.

22010121222101 is a deficient number, since it is larger than the sum of its proper divisors (24472651).

22010121222101 is an equidigital number, since it uses as much as digits as its factorization.

22010121222101 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 24472650.

The product of its (nonzero) digits is 64, while the sum is 17.

Adding to 22010121222101 its reverse (10122212101022), we get a palindrome (32132333323123).

The spelling of 22010121222101 in words is "twenty-two trillion, ten billion, one hundred twenty-one million, two hundred twenty-two thousand, one hundred one".