22141132431021 has 24 divisors (see below), whose sum is σ = 32059397468280. Its totient is φ = 14724873225216.

The previous prime is 22141132430999. The next prime is 22141132431031. The reversal of 22141132431021 is 12013423114122.

22141132431021 is a `hidden beast` number, since 2 + 2 + 1 + 4 + 1 + 1 + 324 + 310 + 21 = 666.

It can be written as a sum of positive squares in 4 ways, for example, as 918940800996 + 21222191630025 = 958614^2 + 4606755^2 .

It is not a de Polignac number, because 22141132431021 - 2⁶ = 22141132430957 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (22141132431031) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 32069785 + ... + 32752913.

It is an arithmetic number, because the mean of its divisors is an integer number (1335808227845).

Almost surely, 2^{22141132431021} is an apocalyptic number.

It is an amenable number.

22141132431021 is a deficient number, since it is larger than the sum of its proper divisors (9918265037259).

22141132431021 is a wasteful number, since it uses less digits than its factorization.

22141132431021 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 691885 (or 691882 counting only the distinct ones).

The product of its (nonzero) digits is 2304, while the sum is 27.

Adding to 22141132431021 its reverse (12013423114122), we get a palindrome (34154555545143).

The spelling of 22141132431021 in words is "twenty-two trillion, one hundred forty-one billion, one hundred thirty-two million, four hundred thirty-one thousand, twenty-one".