2100320010287 has 2 divisors, whose sum is σ = 2100320010288. Its totient is φ = 2100320010286.

The previous prime is 2100320010259. The next prime is 2100320010301. The reversal of 2100320010287 is 7820100230012.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 2100320010287 - 2²⁰ = 2100318961711 is a prime.

It is a super-2 number, since 2×2100320010287² (a number of 25 digits) contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (2100320010787) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1050160005143 + 1050160005144.

It is an arithmetic number, because the mean of its divisors is an integer number (1050160005144).

Almost surely, 2^{2100320010287} is an apocalyptic number.

2100320010287 is a deficient number, since it is larger than the sum of its proper divisors (1).

2100320010287 is an equidigital number, since it uses as much as digits as its factorization.

2100320010287 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 1344, while the sum is 26.

Adding to 2100320010287 its reverse (7820100230012), we get a palindrome (9920420240299).

The spelling of 2100320010287 in words is "two trillion, one hundred billion, three hundred twenty million, ten thousand, two hundred eighty-seven".