22111200022222 has 8 divisors (see below), whose sum is σ = 33166886610816. Its totient is φ = 11055571151952.

The previous prime is 22111200022181. The next prime is 22111200022253. The reversal of 22111200022222 is 22222000211122.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a self number, because there is not a number n which added to its sum of digits gives 22111200022222.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 13458798 + ... + 15012049.

It is an arithmetic number, because the mean of its divisors is an integer number (4145860826352).

Almost surely, 2^{22111200022222} is an apocalyptic number.

22111200022222 is a deficient number, since it is larger than the sum of its proper divisors (11055686588594).

22111200022222 is a wasteful number, since it uses less digits than its factorization.

22111200022222 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 28859162.

The product of its (nonzero) digits is 256, while the sum is 19.

Adding to 22111200022222 its reverse (22222000211122), we get a palindrome (44333200233344).

The spelling of 22111200022222 in words is "twenty-two trillion, one hundred eleven billion, two hundred million, twenty-two thousand, two hundred twenty-two".