2123101002311 has 2 divisors, whose sum is σ = 2123101002312. Its totient is φ = 2123101002310.

The previous prime is 2123101002307. The next prime is 2123101002331. The reversal of 2123101002311 is 1132001013212.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 2123101002311 - 2² = 2123101002307 is a prime.

It is a Sophie Germain prime.

It is a self number, because there is not a number n which added to its sum of digits gives 2123101002311.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (2123101002331) 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 as a sum of consecutive naturals, namely, 1061550501155 + 1061550501156.

It is an arithmetic number, because the mean of its divisors is an integer number (1061550501156).

Almost surely, 2^{2123101002311} is an apocalyptic number.

2123101002311 is a deficient number, since it is larger than the sum of its proper divisors (1).

2123101002311 is an equidigital number, since it uses as much as digits as its factorization.

2123101002311 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 72, while the sum is 17.

Adding to 2123101002311 its reverse (1132001013212), we get a palindrome (3255102015523).

The spelling of 2123101002311 in words is "two trillion, one hundred twenty-three billion, one hundred one million, two thousand, three hundred eleven".