21322011303201 has 32 divisors (see below), whose sum is σ = 32718027783168. Its totient is φ = 12098949635520.

The previous prime is 21322011303143. The next prime is 21322011303217. The reversal of 21322011303201 is 10230311022312.

It is not a de Polignac number, because 21322011303201 - 2¹¹ = 21322011301153 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (21).

It is not an unprimeable number, because it can be changed into a prime (21322011303701) 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, 1510491 + ... + 6702656.

It is an arithmetic number, because the mean of its divisors is an integer number (1022438368224).

Almost surely, 2^{21322011303201} is an apocalyptic number.

21322011303201 is a gapful number since it is divisible by the number (21) formed by its first and last digit.

It is an amenable number.

21322011303201 is a deficient number, since it is larger than the sum of its proper divisors (11396016479967).

21322011303201 is a wasteful number, since it uses less digits than its factorization.

21322011303201 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8214021.

The product of its (nonzero) digits is 432, while the sum is 21.

Adding to 21322011303201 its reverse (10230311022312), we get a palindrome (31552322325513).

The spelling of 21322011303201 in words is "twenty-one trillion, three hundred twenty-two billion, eleven million, three hundred three thousand, two hundred one".