2102111013203 has 2 divisors, whose sum is σ = 2102111013204. Its totient is φ = 2102111013202.

The previous prime is 2102111013127. The next prime is 2102111013209. The reversal of 2102111013203 is 3023101112012.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 2102111013203 - 2¹⁴ = 2102110996819 is a prime.

It is not a weakly prime, because it can be changed into another prime (2102111013209) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1051055506601 + 1051055506602.

It is an arithmetic number, because the mean of its divisors is an integer number (1051055506602).

Almost surely, 2^{2102111013203} is an apocalyptic number.

2102111013203 is a deficient number, since it is larger than the sum of its proper divisors (1).

2102111013203 is an equidigital number, since it uses as much as digits as its factorization.

2102111013203 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 2102111013203 its reverse (3023101112012), we get a palindrome (5125212125215).

The spelling of 2102111013203 in words is "two trillion, one hundred two billion, one hundred eleven million, thirteen thousand, two hundred three".