22111220112101 has 4 divisors (see below), whose sum is σ = 22111272686304. Its totient is φ = 22111167537900.

The previous prime is 22111220112041. The next prime is 22111220112103. The reversal of 22111220112101 is 10121102211122.

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 22111220112101 - 2¹⁰ = 22111220111077 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 22111220112101.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (22111220112103) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 25651115 + ... + 26499096.

It is an arithmetic number, because the mean of its divisors is an integer number (5527818171576).

Almost surely, 2^{22111220112101} is an apocalyptic number.

It is an amenable number.

22111220112101 is a deficient number, since it is larger than the sum of its proper divisors (52574203).

22111220112101 is an equidigital number, since it uses as much as digits as its factorization.

22111220112101 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 52574202.

The product of its (nonzero) digits is 32, while the sum is 17.

Adding to 22111220112101 its reverse (10121102211122), we get a palindrome (32232322323223).

The spelling of 22111220112101 in words is "twenty-two trillion, one hundred eleven billion, two hundred twenty million, one hundred twelve thousand, one hundred one".