2100102001003 has 2 divisors, whose sum is σ = 2100102001004. Its totient is φ = 2100102001002.

The previous prime is 2100102000967. The next prime is 2100102001057. The reversal of 2100102001003 is 3001002010012.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 2100102001003 - 2¹³ = 2100101992811 is a prime.

It is a super-2 number, since 2×2100102001003² (a number of 25 digits) contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (2100102001903) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1050051000501 + 1050051000502.

It is an arithmetic number, because the mean of its divisors is an integer number (1050051000502).

Almost surely, 2^{2100102001003} is an apocalyptic number.

2100102001003 is a deficient number, since it is larger than the sum of its proper divisors (1).

2100102001003 is an equidigital number, since it uses as much as digits as its factorization.

2100102001003 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 10.

Adding to 2100102001003 its reverse (3001002010012), we get a palindrome (5101104011015).

Subtracting 2100102001003 from its reverse (3001002010012), we obtain a palindrome (900900009009).

The spelling of 2100102001003 in words is "two trillion, one hundred billion, one hundred two million, one thousand, three".