22212203111 has 16 divisors (see below), whose sum is σ = 27745689600. Its totient is φ = 17341050240.

The previous prime is 22212203093. The next prime is 22212203119. The reversal of 22212203111 is 11130221222.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-22212203111 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (17).

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 22212203111.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (22212203119) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 3006911 + ... + 3014288.

It is an arithmetic number, because the mean of its divisors is an integer number (1734105600).

Almost surely, 2^22212203111 is an apocalyptic number.

22212203111 is a deficient number, since it is larger than the sum of its proper divisors (5533486489).

22212203111 is a wasteful number, since it uses less digits than its factorization.

22212203111 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6021254.

The product of its (nonzero) digits is 96, while the sum is 17.

Adding to 22212203111 its reverse (11130221222), we get a palindrome (33342424333).

The spelling of 22212203111 in words is "twenty-two billion, two hundred twelve million, two hundred three thousand, one hundred eleven".