2201224300021 has 16 divisors (see below), whose sum is σ = 2219624454528. Its totient is φ = 2182877928000.

The previous prime is 2201224300007. The next prime is 2201224300031. The reversal of 2201224300021 is 1200034221022.

It is a cyclic number.

It is not a de Polignac number, because 2201224300021 - 2³⁷ = 2063785346549 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2201224300031) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 244277406 + ... + 244286416.

It is an arithmetic number, because the mean of its divisors is an integer number (138726528408).

Almost surely, 2^{2201224300021} is an apocalyptic number.

It is an amenable number.

2201224300021 is a deficient number, since it is larger than the sum of its proper divisors (18400154507).

2201224300021 is a wasteful number, since it uses less digits than its factorization.

2201224300021 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 11772.

The product of its (nonzero) digits is 384, while the sum is 19.

Adding to 2201224300021 its reverse (1200034221022), we get a palindrome (3401258521043).

The spelling of 2201224300021 in words is "two trillion, two hundred one billion, two hundred twenty-four million, three hundred thousand, twenty-one".