22131010003221 has 96 divisors (see below), whose sum is σ = 39429253693440. Its totient is φ = 11683233936000.

The previous prime is 22131010003181. The next prime is 22131010003247. The reversal of 22131010003221 is 12230001013122.

22131010003221 is a `hidden beast` number, since 2 + 21 + 310 + 10 + 0 + 0 + 322 + 1 = 666.

It is not a de Polignac number, because 22131010003221 - 2⁹ = 22131010002709 is a prime.

It is a Curzon number.

It is a junction number, because it is equal to n+sod(n) for n = 22131010003194 and 22131010003203.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (22131010003261) by changing a digit.

It is a polite number, since it can be written in 95 ways as a sum of consecutive naturals, for example, 22379796 + ... + 23347746.

It is an arithmetic number, because the mean of its divisors is an integer number (410721392640).

Almost surely, 2^{22131010003221} is an apocalyptic number.

22131010003221 is a gapful number since it is divisible by the number (21) formed by its first and last digit.

It is an amenable number.

22131010003221 is a deficient number, since it is larger than the sum of its proper divisors (17298243690219).

22131010003221 is a wasteful number, since it uses less digits than its factorization.

22131010003221 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 968527 (or 968524 counting only the distinct ones).

The product of its (nonzero) digits is 144, while the sum is 18.

Adding to 22131010003221 its reverse (12230001013122), we get a palindrome (34361011016343).

The spelling of 22131010003221 in words is "twenty-two trillion, one hundred thirty-one billion, ten million, three thousand, two hundred twenty-one".