2201223223021 has 4 divisors (see below), whose sum is σ = 2218555689472. Its totient is φ = 2183890756572.

The previous prime is 2201223222977. The next prime is 2201223223163. The reversal of 2201223223021 is 1203223221022.

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 2201223223021 - 2¹⁹ = 2201222698733 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 2201223222983 and 2201223223001.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2201223224021) 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, 8666233035 + ... + 8666233288.

It is an arithmetic number, because the mean of its divisors is an integer number (554638922368).

Almost surely, 2^{2201223223021} is an apocalyptic number.

It is an amenable number.

2201223223021 is a deficient number, since it is larger than the sum of its proper divisors (17332466451).

2201223223021 is a wasteful number, since it uses less digits than its factorization.

2201223223021 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 17332466450.

The product of its (nonzero) digits is 1152, while the sum is 22.

Adding to 2201223223021 its reverse (1203223221022), we get a palindrome (3404446444043).

The spelling of 2201223223021 in words is "two trillion, two hundred one billion, two hundred twenty-three million, two hundred twenty-three thousand, twenty-one".