22112202212111 has 8 divisors (see below), whose sum is σ = 25541367261264. Its totient is φ = 18919531304320.

The previous prime is 22112202212101. The next prime is 22112202212131. The reversal of 22112202212111 is 11121220221122.

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

It is a cyclic number.

It is not a de Polignac number, because 22112202212111 - 2⁴² = 17714155701007 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (22112202212101) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 59123535140 + ... + 59123535513.

It is an arithmetic number, because the mean of its divisors is an integer number (3192670907658).

Almost surely, 2^{22112202212111} is an apocalyptic number.

22112202212111 is a deficient number, since it is larger than the sum of its proper divisors (3429165049153).

22112202212111 is a wasteful number, since it uses less digits than its factorization.

22112202212111 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 118247070681.

The product of its (nonzero) digits is 128, while the sum is 20.

Adding to 22112202212111 its reverse (11121220221122), we get a palindrome (33233422433233).

The spelling of 22112202212111 in words is "twenty-two trillion, one hundred twelve billion, two hundred two million, two hundred twelve thousand, one hundred eleven".