2211232100031 has 12 divisors (see below), whose sum is σ = 3194156946240. Its totient is φ = 1474083183840.

The previous prime is 2211232100023. The next prime is 2211232100081. The reversal of 2211232100031 is 1300012321122.

It is not a de Polignac number, because 2211232100031 - 2³ = 2211232100023 is a prime.

It is a super-2 number, since 2×2211232100031² (a number of 25 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 2211232099977 and 2211232100013.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2211232100081) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 5766390 + ... + 6137891.

It is an arithmetic number, because the mean of its divisors is an integer number (266179745520).

Almost surely, 2^{2211232100031} is an apocalyptic number.

2211232100031 is a deficient number, since it is larger than the sum of its proper divisors (982924846209).

2211232100031 is a wasteful number, since it uses less digits than its factorization.

2211232100031 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 11924926 (or 11924923 counting only the distinct ones).

The product of its (nonzero) digits is 144, while the sum is 18.

Adding to 2211232100031 its reverse (1300012321122), we get a palindrome (3511244421153).

The spelling of 2211232100031 in words is "two trillion, two hundred eleven billion, two hundred thirty-two million, one hundred thousand, thirty-one".