2201023211831 has 2 divisors, whose sum is σ = 2201023211832. Its totient is φ = 2201023211830.

The previous prime is 2201023211801. The next prime is 2201023211867. The reversal of 2201023211831 is 1381123201022.

It is a weak prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-2201023211831 is a prime.

It is a super-2 number, since 2×2201023211831² (a number of 25 digits) contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 2201023211831.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (2201023211801) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1100511605915 + 1100511605916.

It is an arithmetic number, because the mean of its divisors is an integer number (1100511605916).

Almost surely, 2^{2201023211831} is an apocalyptic number.

2201023211831 is a deficient number, since it is larger than the sum of its proper divisors (1).

2201023211831 is an equidigital number, since it uses as much as digits as its factorization.

2201023211831 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 1152, while the sum is 26.

Adding to 2201023211831 its reverse (1381123201022), we get a palindrome (3582146412853).

The spelling of 2201023211831 in words is "two trillion, two hundred one billion, twenty-three million, two hundred eleven thousand, eight hundred thirty-one".