22031111132 has 48 divisors (see below), whose sum is σ = 39994687488. Its totient is φ = 10610429760.

The previous prime is 22031111057. The next prime is 22031111143. The reversal of 22031111132 is 23111113022.

It is a self number, because there is not a number n which added to its sum of digits gives 22031111132.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 11408207 + ... + 11410137.

It is an arithmetic number, because the mean of its divisors is an integer number (833222656).

Almost surely, 2^22031111132 is an apocalyptic number.

It is an amenable number.

22031111132 is a deficient number, since it is larger than the sum of its proper divisors (17963576356).

22031111132 is a wasteful number, since it uses less digits than its factorization.

22031111132 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2706 (or 2704 counting only the distinct ones).

The product of its (nonzero) digits is 72, while the sum is 17.

Adding to 22031111132 its reverse (23111113022), we get a palindrome (45142224154).

The spelling of 22031111132 in words is "twenty-two billion, thirty-one million, one hundred eleven thousand, one hundred thirty-two".