3121100011223 has 2 divisors, whose sum is σ = 3121100011224. Its totient is φ = 3121100011222.

The previous prime is 3121100011093. The next prime is 3121100011231. The reversal of 3121100011223 is 3221100011213.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 3121100011223 - 2¹⁶ = 3121099945687 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (3121100011273) 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, 1560550005611 + 1560550005612.

It is an arithmetic number, because the mean of its divisors is an integer number (1560550005612).

Almost surely, 2^{3121100011223} is an apocalyptic number.

3121100011223 is a deficient number, since it is larger than the sum of its proper divisors (1).

3121100011223 is an equidigital number, since it uses as much as digits as its factorization.

3121100011223 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 3121100011223 its reverse (3221100011213), we get a palindrome (6342200022436).

The spelling of 3121100011223 in words is "three trillion, one hundred twenty-one billion, one hundred million, eleven thousand, two hundred twenty-three".