21010022230201 has 4 divisors (see below), whose sum is σ = 21010091923600. Its totient is φ = 21009952536804.

The previous prime is 21010022230199. The next prime is 21010022230207. The reversal of 21010022230201 is 10203222001012.

It is a happy number.

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 a cyclic number.

It is not a de Polignac number, because 21010022230201 - 2¹ = 21010022230199 is a prime.

It is a super-2 number, since 2×21010022230201² (a number of 27 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (21010022230207) 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, 34392531 + ... + 34998088.

It is an arithmetic number, because the mean of its divisors is an integer number (5252522980900).

Almost surely, 2^{21010022230201} is an apocalyptic number.

It is an amenable number.

21010022230201 is a deficient number, since it is larger than the sum of its proper divisors (69693399).

21010022230201 is an equidigital number, since it uses as much as digits as its factorization.

21010022230201 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 69693398.

The product of its (nonzero) digits is 96, while the sum is 16.

Adding to 21010022230201 its reverse (10203222001012), we get a palindrome (31213244231213).

The spelling of 21010022230201 in words is "twenty-one trillion, ten billion, twenty-two million, two hundred thirty thousand, two hundred one".