22213041131421 has 72 divisors (see below), whose sum is σ = 37839595580280. Its totient is φ = 12517846354944.

The previous prime is 22213041131419. The next prime is 22213041131441. The reversal of 22213041131421 is 12413114031222.

22213041131421 is a `hidden beast` number, since 2 + 2 + 21 + 304 + 1 + 1 + 314 + 21 = 666.

It can be written as a sum of positive squares in 4 ways, for example, as 6971786091396 + 15241255040025 = 2640414^2 + 3904005^2 .

It is not a de Polignac number, because 22213041131421 - 2¹ = 22213041131419 is a prime.

It is a super-2 number, since 2×22213041131421² (a number of 27 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (22213041131401) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 71 ways as a sum of consecutive naturals, for example, 319609551 + ... + 319679043.

It is an arithmetic number, because the mean of its divisors is an integer number (525549938615).

Almost surely, 2^{22213041131421} is an apocalyptic number.

22213041131421 is a gapful number since it is divisible by the number (21) formed by its first and last digit.

It is an amenable number.

22213041131421 is a deficient number, since it is larger than the sum of its proper divisors (15626554448859).

22213041131421 is a wasteful number, since it uses less digits than its factorization.

22213041131421 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 79515 (or 79505 counting only the distinct ones).

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

Adding to 22213041131421 its reverse (12413114031222), we get a palindrome (34626155162643).

The spelling of 22213041131421 in words is "twenty-two trillion, two hundred thirteen billion, forty-one million, one hundred thirty-one thousand, four hundred twenty-one".