22131400421043 has 12 divisors (see below), whose sum is σ = 32144194843488. Its totient is φ = 14672751659280.

The previous prime is 22131400421017. The next prime is 22131400421051. The reversal of 22131400421043 is 34012400413122.

22131400421043 is a `hidden beast` number, since 2 + 2 + 1 + 3 + 1 + 400 + 4 + 210 + 43 = 666.

It is not a de Polignac number, because 22131400421043 - 2¹⁶ = 22131400355507 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 22131400420998 and 22131400421016.

It is not an unprimeable number, because it can be changed into a prime (22131400428043) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 6792938955 + ... + 6792942212.

It is an arithmetic number, because the mean of its divisors is an integer number (2678682903624).

Almost surely, 2^{22131400421043} is an apocalyptic number.

22131400421043 is a deficient number, since it is larger than the sum of its proper divisors (10012794422445).

22131400421043 is a wasteful number, since it uses less digits than its factorization.

22131400421043 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 13585881354 (or 13585881351 counting only the distinct ones).

The product of its (nonzero) digits is 4608, while the sum is 27.

Adding to 22131400421043 its reverse (34012400413122), we get a palindrome (56143800834165).

The spelling of 22131400421043 in words is "twenty-two trillion, one hundred thirty-one billion, four hundred million, four hundred twenty-one thousand, forty-three".