22112202111 has 8 divisors (see below), whose sum is σ = 29615147520. Its totient is φ = 14675362392.

The previous prime is 22112202103. The next prime is 22112202127. The reversal of 22112202111 is 11120221122.

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

It is not a de Polignac number, because 22112202111 - 2³ = 22112202103 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (22112202131) 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, 16525641 + ... + 16526978.

It is an arithmetic number, because the mean of its divisors is an integer number (3701893440).

Almost surely, 2^22112202111 is an apocalyptic number.

22112202111 is a deficient number, since it is larger than the sum of its proper divisors (7502945409).

22112202111 is a wasteful number, since it uses less digits than its factorization.

22112202111 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 33052845.

The product of its (nonzero) digits is 32, while the sum is 15.

Adding to 22112202111 its reverse (11120221122), we get a palindrome (33232423233).

The spelling of 22112202111 in words is "twenty-two billion, one hundred twelve million, two hundred two thousand, one hundred eleven".