21320233101201 has 4 divisors (see below), whose sum is σ = 28426977468272. Its totient is φ = 14213488734132.

The previous prime is 21320233101199. The next prime is 21320233101229. The reversal of 21320233101201 is 10210133202312.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is not a de Polignac number, because 21320233101201 - 2¹ = 21320233101199 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (21320233301201) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 3553372183531 + ... + 3553372183536.

It is an arithmetic number, because the mean of its divisors is an integer number (7106744367068).

Almost surely, 2^{21320233101201} is an apocalyptic number.

It is an amenable number.

21320233101201 is a deficient number, since it is larger than the sum of its proper divisors (7106744367071).

21320233101201 is an equidigital number, since it uses as much as digits as its factorization.

21320233101201 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7106744367070.

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

Adding to 21320233101201 its reverse (10210133202312), we get a palindrome (31530366303513).

The spelling of 21320233101201 in words is "twenty-one trillion, three hundred twenty billion, two hundred thirty-three million, one hundred one thousand, two hundred one".