22111012013223 has 24 divisors (see below), whose sum is σ = 35785701790848. Its totient is φ = 12085522092336.

The previous prime is 22111012013221. The next prime is 22111012013257. The reversal of 22111012013223 is 32231021011122.

It is not a de Polignac number, because 22111012013223 - 2¹ = 22111012013221 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (21).

It is a self number, because there is not a number n which added to its sum of digits gives 22111012013223.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (22111012013221) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 3269888961 + ... + 3269895722.

It is an arithmetic number, because the mean of its divisors is an integer number (1491070907952).

Almost surely, 2^{22111012013223} is an apocalyptic number.

22111012013223 is a gapful number since it is divisible by the number (23) formed by its first and last digit.

22111012013223 is a deficient number, since it is larger than the sum of its proper divisors (13674689777625).

22111012013223 is a wasteful number, since it uses less digits than its factorization.

22111012013223 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6539784723 (or 6539784716 counting only the distinct ones).

The product of its (nonzero) digits is 288, while the sum is 21.

Adding to 22111012013223 its reverse (32231021011122), we get a palindrome (54342033024345).

The spelling of 22111012013223 in words is "twenty-two trillion, one hundred eleven billion, twelve million, thirteen thousand, two hundred twenty-three".