2201231223231 has 16 divisors (see below), whose sum is σ = 3118239948000. Its totient is φ = 1378590288768.

The previous prime is 2201231223227. The next prime is 2201231223253. The reversal of 2201231223231 is 1323221321022.

It is not a de Polignac number, because 2201231223231 - 2² = 2201231223227 is a prime.

It is a super-2 number, since 2×2201231223231² (a number of 25 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2201231223281) 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, 341909056 + ... + 341915493.

It is an arithmetic number, because the mean of its divisors is an integer number (194889996750).

Almost surely, 2^{2201231223231} is an apocalyptic number.

2201231223231 is a deficient number, since it is larger than the sum of its proper divisors (917008724769).

2201231223231 is a wasteful number, since it uses less digits than its factorization.

2201231223231 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 683824618.

The product of its (nonzero) digits is 1728, while the sum is 24.

Adding to 2201231223231 its reverse (1323221321022), we get a palindrome (3524452544253).

The spelling of 2201231223231 in words is "two trillion, two hundred one billion, two hundred thirty-one million, two hundred twenty-three thousand, two hundred thirty-one".