2100111203 has 2 divisors, whose sum is σ = 2100111204. Its totient is φ = 2100111202.

The previous prime is 2100111193. The next prime is 2100111239. The reversal of 2100111203 is 3021110012.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 2100111203 - 2¹⁰ = 2100110179 is a prime.

It is a super-2 number, since 2×2100111203² = 8820934129932214418, which contains 22 as substring.

It is a Sophie Germain prime.

It is not a weakly prime, because it can be changed into another prime (2100111253) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1050055601 + 1050055602.

It is an arithmetic number, because the mean of its divisors is an integer number (1050055602).

Almost surely, 2^2100111203 is an apocalyptic number.

2100111203 is a deficient number, since it is larger than the sum of its proper divisors (1).

2100111203 is an equidigital number, since it uses as much as digits as its factorization.

2100111203 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 12, while the sum is 11.

The square root of 2100111203 is about 45826.9702576987. The cubic root of 2100111203 is about 1280.6017684369.

Adding to 2100111203 its reverse (3021110012), we get a palindrome (5121221215).

The spelling of 2100111203 in words is "two billion, one hundred million, one hundred eleven thousand, two hundred three".