21476522223321 has 12 divisors (see below), whose sum is σ = 31475233672176. Its totient is φ = 13016074074520.

The previous prime is 21476522223283. The next prime is 21476522223361. The reversal of 21476522223321 is 12332222567412.

It is not a de Polignac number, because 21476522223321 - 2³⁴ = 21459342354137 is a prime.

It is a super-2 number, since 2×21476522223321² (a number of 27 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (21476522223361) 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, 29581986171 + ... + 29581986896.

It is an arithmetic number, because the mean of its divisors is an integer number (2622936139348).

Almost surely, 2^{21476522223321} is an apocalyptic number.

It is an amenable number.

21476522223321 is a deficient number, since it is larger than the sum of its proper divisors (9998711448855).

21476522223321 is a wasteful number, since it uses less digits than its factorization.

21476522223321 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 59163973092 (or 59163973081 counting only the distinct ones).

The product of its digits is 483840, while the sum is 42.

The spelling of 21476522223321 in words is "twenty-one trillion, four hundred seventy-six billion, five hundred twenty-two million, two hundred twenty-three thousand, three hundred twenty-one".