22212210111 has 64 divisors (see below), whose sum is σ = 37589400576. Its totient is φ = 11352960000.

The previous prime is 22212210109. The next prime is 22212210113. The reversal of 22212210111 is 11101221222.

It is an interprime number because it is at equal distance from previous prime (22212210109) and next prime (22212210113).

It is not a de Polignac number, because 22212210111 - 2¹ = 22212210109 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (22212210113) by changing a digit.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 2530971 + ... + 2539731.

It is an arithmetic number, because the mean of its divisors is an integer number (587334384).

Almost surely, 2^22212210111 is an apocalyptic number.

22212210111 is a gapful number since it is divisible by the number (21) formed by its first and last digit.

22212210111 is a deficient number, since it is larger than the sum of its proper divisors (15377190465).

22212210111 is a wasteful number, since it uses less digits than its factorization.

22212210111 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9072.

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

Adding to 22212210111 its reverse (11101221222), we get a palindrome (33313431333).

The spelling of 22212210111 in words is "twenty-two billion, two hundred twelve million, two hundred ten thousand, one hundred eleven".