211102310123 has 2 divisors, whose sum is σ = 211102310124. Its totient is φ = 211102310122.

The previous prime is 211102310113. The next prime is 211102310137. The reversal of 211102310123 is 321013201112.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 211102310123 - 2³⁶ = 142382833387 is a prime.

It is not a weakly prime, because it can be changed into another prime (211102310113) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 105551155061 + 105551155062.

It is an arithmetic number, because the mean of its divisors is an integer number (105551155062).

Almost surely, 2^211102310123 is an apocalyptic number.

211102310123 is a deficient number, since it is larger than the sum of its proper divisors (1).

211102310123 is an equidigital number, since it uses as much as digits as its factorization.

211102310123 is an evil number, because the sum of its binary digits is even.

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

Adding to 211102310123 its reverse (321013201112), we get a palindrome (532115511235).

The spelling of 211102310123 in words is "two hundred eleven billion, one hundred two million, three hundred ten thousand, one hundred twenty-three".