2100101111203 has 2 divisors, whose sum is σ = 2100101111204. Its totient is φ = 2100101111202.

The previous prime is 2100101111201. The next prime is 2100101111233. The reversal of 2100101111203 is 3021111010012.

It is a happy number.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 2100101111203 - 2¹ = 2100101111201 is a prime.

Together with 2100101111201, it forms a pair of twin primes.

It is not a weakly prime, because it can be changed into another prime (2100101111201) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1050050555601 + 1050050555602.

It is an arithmetic number, because the mean of its divisors is an integer number (1050050555602).

Almost surely, 2^{2100101111203} is an apocalyptic number.

2100101111203 is a deficient number, since it is larger than the sum of its proper divisors (1).

2100101111203 is an equidigital number, since it uses as much as digits as its factorization.

2100101111203 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 12, while the sum is 13.

Adding to 2100101111203 its reverse (3021111010012), we get a palindrome (5121212121215).

The spelling of 2100101111203 in words is "two trillion, one hundred billion, one hundred one million, one hundred eleven thousand, two hundred three".