2310213121211 has 4 divisors (see below), whose sum is σ = 2446108010712. Its totient is φ = 2174318231712.

The previous prime is 2310213121207. The next prime is 2310213121217. The reversal of 2310213121211 is 1121213120132.

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 2310213121211 - 2² = 2310213121207 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (2310213121217) 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, 67947444725 + ... + 67947444758.

It is an arithmetic number, because the mean of its divisors is an integer number (611527002678).

Almost surely, 2^{2310213121211} is an apocalyptic number.

2310213121211 is a deficient number, since it is larger than the sum of its proper divisors (135894889501).

2310213121211 is a wasteful number, since it uses less digits than its factorization.

2310213121211 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 135894889500.

The product of its (nonzero) digits is 144, while the sum is 20.

Adding to 2310213121211 its reverse (1121213120132), we get a palindrome (3431426241343).

The spelling of 2310213121211 in words is "two trillion, three hundred ten billion, two hundred thirteen million, one hundred twenty-one thousand, two hundred eleven".