21023322201 has 32 divisors (see below), whose sum is σ = 37142661120. Its totient is φ = 11491006032.

The previous prime is 21023322197. The next prime is 21023322209. The reversal of 21023322201 is 10222332012.

21023322201 is a `hidden beast` number, since 210 + 233 + 2 + 220 + 1 = 666.

It is not a de Polignac number, because 21023322201 - 2² = 21023322197 is a prime.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (21023322209) 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, 2413795 + ... + 2422488.

It is an arithmetic number, because the mean of its divisors is an integer number (1160708160).

Almost surely, 2^21023322201 is an apocalyptic number.

21023322201 is a gapful number since it is divisible by the number (21) formed by its first and last digit.

It is an amenable number.

21023322201 is a deficient number, since it is larger than the sum of its proper divisors (16119338919).

21023322201 is a wasteful number, since it uses less digits than its factorization.

21023322201 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4836322 (or 4836316 counting only the distinct ones).

The product of its (nonzero) digits is 288, while the sum is 18.

Adding to 21023322201 its reverse (10222332012), we get a palindrome (31245654213).

The spelling of 21023322201 in words is "twenty-one billion, twenty-three million, three hundred twenty-two thousand, two hundred one".