22201431231112 has 96 divisors (see below), whose sum is σ = 50534739760320. Its totient is φ = 9100252022400.

The previous prime is 22201431231061. The next prime is 22201431231137. The reversal of 22201431231112 is 21113213410222.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 89143063 + ... + 89391769.

It is an arithmetic number, because the mean of its divisors is an integer number (526403539170).

Almost surely, 2^{22201431231112} is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 22201431231112, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (25267369880160).

22201431231112 is an abundant number, since it is smaller than the sum of its proper divisors (28333308529208).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

22201431231112 is a wasteful number, since it uses less digits than its factorization.

22201431231112 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 258651 (or 258640 counting only the distinct ones).

The product of its (nonzero) digits is 1152, while the sum is 25.

Adding to 22201431231112 its reverse (21113213410222), we get a palindrome (43314644641334).

The spelling of 22201431231112 in words is "twenty-two trillion, two hundred one billion, four hundred thirty-one million, two hundred thirty-one thousand, one hundred twelve".