2100111200003 has 2 divisors, whose sum is σ = 2100111200004. Its totient is φ = 2100111200002.

The previous prime is 2100111199969. The next prime is 2100111200017. The reversal of 2100111200003 is 3000021110012.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 2100111200003 - 2²² = 2100107005699 is a prime.

It is not a weakly prime, because it can be changed into another prime (2100111209003) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1050055600001 + 1050055600002.

It is an arithmetic number, because the mean of its divisors is an integer number (1050055600002).

Almost surely, 2^{2100111200003} is an apocalyptic number.

2100111200003 is a deficient number, since it is larger than the sum of its proper divisors (1).

2100111200003 is an equidigital number, since it uses as much as digits as its factorization.

2100111200003 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 11.

Adding to 2100111200003 its reverse (3000021110012), we get a palindrome (5100132310015).

The spelling of 2100111200003 in words is "two trillion, one hundred billion, one hundred eleven million, two hundred thousand, three".