22131142032112 has 20 divisors (see below), whose sum is σ = 42879547007800. Its totient is φ = 11065452481728.

The previous prime is 22131142032071. The next prime is 22131142032143. The reversal of 22131142032112 is 21123024113122.

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, 5858238 + ... + 8864605.

It is an arithmetic number, because the mean of its divisors is an integer number (2143977350390).

Almost surely, 2^{22131142032112} is an apocalyptic number.

It is an amenable number.

22131142032112 is a deficient number, since it is larger than the sum of its proper divisors (20748404975688).

22131142032112 is a wasteful number, since it uses less digits than its factorization.

22131142032112 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 14816800 (or 14816794 counting only the distinct ones).

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

Adding to 22131142032112 its reverse (21123024113122), we get a palindrome (43254166145234).

The spelling of 22131142032112 in words is "twenty-two trillion, one hundred thirty-one billion, one hundred forty-two million, thirty-two thousand, one hundred twelve".