22112021022101 has 4 divisors (see below), whose sum is σ = 22120716274752. Its totient is φ = 22103325769452.

The previous prime is 22112021022079. The next prime is 22112021022277. The reversal of 22112021022101 is 10122012021122.

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 not a de Polignac number, because 22112021022101 - 2¹⁸ = 22112020759957 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 22112021022101.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (22112021022701) 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 3 ways as a sum of consecutive naturals, for example, 4347622511 + ... + 4347627596.

It is an arithmetic number, because the mean of its divisors is an integer number (5530179068688).

Almost surely, 2^{22112021022101} is an apocalyptic number.

It is an amenable number.

22112021022101 is a deficient number, since it is larger than the sum of its proper divisors (8695252651).

22112021022101 is an equidigital number, since it uses as much as digits as its factorization.

22112021022101 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8695252650.

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

Adding to 22112021022101 its reverse (10122012021122), we get a palindrome (32234033043223).

The spelling of 22112021022101 in words is "twenty-two trillion, one hundred twelve billion, twenty-one million, twenty-two thousand, one hundred one".