22201112012 has 6 divisors (see below), whose sum is σ = 38851946028. Its totient is φ = 11100556004.

The previous prime is 22201112009. The next prime is 22201112069. The reversal of 22201112012 is 21021110222.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2775138998 + ... + 2775139005.

It is an arithmetic number, because the mean of its divisors is an integer number (6475324338).

Almost surely, 2^22201112012 is an apocalyptic number.

It is an amenable number.

22201112012 is a deficient number, since it is larger than the sum of its proper divisors (16650834016).

22201112012 is a wasteful number, since it uses less digits than its factorization.

22201112012 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5550278007 (or 5550278005 counting only the distinct ones).

The product of its (nonzero) digits is 32, while the sum is 14.

Adding to 22201112012 its reverse (21021110222), we get a palindrome (43222222234).

The spelling of 22201112012 in words is "twenty-two billion, two hundred one million, one hundred twelve thousand, twelve".