2201331231021 has 16 divisors (see below), whose sum is σ = 3346820334144. Its totient is φ = 1274979174144.

The previous prime is 2201331231017. The next prime is 2201331231031. The reversal of 2201331231021 is 1201321331022.

It is not a de Polignac number, because 2201331231021 - 2² = 2201331231017 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2201331231031) 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, 1660128471 + ... + 1660129796.

It is an arithmetic number, because the mean of its divisors is an integer number (209176270884).

Almost surely, 2^{2201331231021} is an apocalyptic number.

It is an amenable number.

2201331231021 is a deficient number, since it is larger than the sum of its proper divisors (1145489103123).

2201331231021 is a wasteful number, since it uses less digits than its factorization.

2201331231021 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3320258300.

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

Adding to 2201331231021 its reverse (1201321331022), we get a palindrome (3402652562043).

The spelling of 2201331231021 in words is "two trillion, two hundred one billion, three hundred thirty-one million, two hundred thirty-one thousand, twenty-one".