22121341431 has 8 divisors (see below), whose sum is σ = 33708710784. Its totient is φ = 12640766520.

The previous prime is 22121341387. The next prime is 22121341481. The reversal of 22121341431 is 13414312122.

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

It is not a de Polignac number, because 22121341431 - 2⁷ = 22121341303 is a prime.

It is a super-2 number, since 2×22121341431² (a number of 21 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (22121341481) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 526698585 + ... + 526698626.

It is an arithmetic number, because the mean of its divisors is an integer number (4213588848).

Almost surely, 2^22121341431 is an apocalyptic number.

22121341431 is a gapful number since it is divisible by the number (21) formed by its first and last digit.

22121341431 is a deficient number, since it is larger than the sum of its proper divisors (11587369353).

22121341431 is a wasteful number, since it uses less digits than its factorization.

22121341431 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1053397221.

The product of its digits is 1152, while the sum is 24.

Adding to 22121341431 its reverse (13414312122), we get a palindrome (35535653553).

The spelling of 22121341431 in words is "twenty-two billion, one hundred twenty-one million, three hundred forty-one thousand, four hundred thirty-one".