22201122021112 has 16 divisors (see below), whose sum is σ = 41638625322840. Its totient is φ = 11097488601696.

The previous prime is 22201122021101. The next prime is 22201122021161. The reversal of 22201122021112 is 21112022110222.

It is a self number, because there is not a number n which added to its sum of digits gives 22201122021112.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 384020398 + ... + 384078205.

Almost surely, 2^{22201122021112} is an apocalyptic number.

It is an amenable number.

22201122021112 is a deficient number, since it is larger than the sum of its proper divisors (19437503301728).

22201122021112 is a wasteful number, since it uses less digits than its factorization.

22201122021112 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 768102222 (or 768102218 counting only the distinct ones).

The product of its (nonzero) digits is 128, while the sum is 19.

Adding to 22201122021112 its reverse (21112022110222), we get a palindrome (43313144131334).

The spelling of 22201122021112 in words is "twenty-two trillion, two hundred one billion, one hundred twenty-two million, twenty-one thousand, one hundred twelve".