2311231002211 has 4 divisors (see below), whose sum is σ = 2385786841024. Its totient is φ = 2236675163400.

The previous prime is 2311231002193. The next prime is 2311231002233. The reversal of 2311231002211 is 1122001321132.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 2311231002211 - 2¹⁷ = 2311230871139 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (2311231002251) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 37277919360 + ... + 37277919421.

It is an arithmetic number, because the mean of its divisors is an integer number (596446710256).

Almost surely, 2^{2311231002211} is an apocalyptic number.

2311231002211 is a deficient number, since it is larger than the sum of its proper divisors (74555838813).

2311231002211 is an equidigital number, since it uses as much as digits as its factorization.

2311231002211 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 74555838812.

The product of its (nonzero) digits is 144, while the sum is 19.

Adding to 2311231002211 its reverse (1122001321132), we get a palindrome (3433232323343).

The spelling of 2311231002211 in words is "two trillion, three hundred eleven billion, two hundred thirty-one million, two thousand, two hundred eleven".