2100121112303 has 2 divisors, whose sum is σ = 2100121112304. Its totient is φ = 2100121112302.

The previous prime is 2100121112293. The next prime is 2100121112321. The reversal of 2100121112303 is 3032111210012.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 2100121112303 - 2²⁸ = 2099852676847 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (2100121112393) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1050060556151 + 1050060556152.

It is an arithmetic number, because the mean of its divisors is an integer number (1050060556152).

Almost surely, 2^{2100121112303} is an apocalyptic number.

2100121112303 is a deficient number, since it is larger than the sum of its proper divisors (1).

2100121112303 is an equidigital number, since it uses as much as digits as its factorization.

2100121112303 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 2100121112303 its reverse (3032111210012), we get a palindrome (5132232322315).

The spelling of 2100121112303 in words is "two trillion, one hundred billion, one hundred twenty-one million, one hundred twelve thousand, three hundred three".