213221003001 has 32 divisors (see below), whose sum is σ = 297886138368. Its totient is φ = 135499633920.

The previous prime is 213221002921. The next prime is 213221003027. The reversal of 213221003001 is 100300122312.

It is not a de Polignac number, because 213221003001 - 2²¹ = 213218905849 is a prime.

It is a super-2 number, since 2×213221003001² (a number of 23 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (213221003101) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 2560320 + ... + 2642286.

It is an arithmetic number, because the mean of its divisors is an integer number (9308941824).

Almost surely, 2^213221003001 is an apocalyptic number.

It is an amenable number.

213221003001 is a deficient number, since it is larger than the sum of its proper divisors (84665135367).

213221003001 is a wasteful number, since it uses less digits than its factorization.

213221003001 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 82421.

The product of its (nonzero) digits is 72, while the sum is 15.

Adding to 213221003001 its reverse (100300122312), we get a palindrome (313521125313).

The spelling of 213221003001 in words is "two hundred thirteen billion, two hundred twenty-one million, three thousand, one".