22131201131142 has 8 divisors (see below), whose sum is σ = 44262402262296. Its totient is φ = 7377067043712.

The previous prime is 22131201131141. The next prime is 22131201131153. The reversal of 22131201131142 is 24113110213122.

It is a sphenic number, since it is the product of 3 distinct primes.

22131201131142 is an admirable number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (22131201131141) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1844266760923 + ... + 1844266760934.

It is an arithmetic number, because the mean of its divisors is an integer number (5532800282787).

Almost surely, 2^{22131201131142} is an apocalyptic number.

22131201131142 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

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

22131201131142 is a wasteful number, since it uses less digits than its factorization.

22131201131142 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3688533521862.

The product of its (nonzero) digits is 576, while the sum is 24.

Adding to 22131201131142 its reverse (24113110213122), we get a palindrome (46244311344264).

The spelling of 22131201131142 in words is "twenty-two trillion, one hundred thirty-one billion, two hundred one million, one hundred thirty-one thousand, one hundred forty-two".