22111054312 has 48 divisors (see below), whose sum is σ = 42884013060. Its totient is φ = 10684118016.

The previous prime is 22111054291. The next prime is 22111054313. The reversal of 22111054312 is 21345011122.

It can be written as a sum of positive squares in 2 ways, for example, as 22083743236 + 27311076 = 148606^2 + 5226^2 .

It is not an unprimeable number, because it can be changed into a prime (22111054313) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 1897528 + ... + 1909144.

Almost surely, 2^22111054312 is an apocalyptic number.

It is an amenable number.

22111054312 is a deficient number, since it is larger than the sum of its proper divisors (20772958748).

22111054312 is a wasteful number, since it uses less digits than its factorization.

22111054312 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 11810 (or 11739 counting only the distinct ones).

The product of its (nonzero) digits is 480, while the sum is 22.

Adding to 22111054312 its reverse (21345011122), we get a palindrome (43456065434).

The spelling of 22111054312 in words is "twenty-two billion, one hundred eleven million, fifty-four thousand, three hundred twelve".