22111302412 has 6 divisors (see below), whose sum is σ = 38694779228. Its totient is φ = 11055651204.

The previous prime is 22111302407. The next prime is 22111302427. The reversal of 22111302412 is 21420311122.

It is a self number, because there is not a number n which added to its sum of digits gives 22111302412.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2763912798 + ... + 2763912805.

Almost surely, 2^22111302412 is an apocalyptic number.

It is an amenable number.

22111302412 is a deficient number, since it is larger than the sum of its proper divisors (16583476816).

22111302412 is a wasteful number, since it uses less digits than its factorization.

22111302412 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5527825607 (or 5527825605 counting only the distinct ones).

The product of its (nonzero) digits is 192, while the sum is 19.

Adding to 22111302412 its reverse (21420311122), we get a palindrome (43531613534).

The spelling of 22111302412 in words is "twenty-two billion, one hundred eleven million, three hundred two thousand, four hundred twelve".