2313211101211 has 4 divisors (see below), whose sum is σ = 2321384992312. Its totient is φ = 2305037210112.

The previous prime is 2313211101197. The next prime is 2313211101217. The reversal of 2313211101211 is 1121011123132.

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 2313211101211 - 2¹³ = 2313211093019 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (2313211101217) 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, 4086945126 + ... + 4086945691.

It is an arithmetic number, because the mean of its divisors is an integer number (580346248078).

Almost surely, 2^{2313211101211} is an apocalyptic number.

2313211101211 is a deficient number, since it is larger than the sum of its proper divisors (8173891101).

2313211101211 is an equidigital number, since it uses as much as digits as its factorization.

2313211101211 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8173891100.

The product of its (nonzero) digits is 72, while the sum is 19.

Adding to 2313211101211 its reverse (1121011123132), we get a palindrome (3434222224343).

The spelling of 2313211101211 in words is "two trillion, three hundred thirteen billion, two hundred eleven million, one hundred one thousand, two hundred eleven".