2101001210263 has 2 divisors, whose sum is σ = 2101001210264. Its totient is φ = 2101001210262.

The previous prime is 2101001210171. The next prime is 2101001210267. The reversal of 2101001210263 is 3620121001012.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-2101001210263 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 2101001210263.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (2101001210267) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1050500605131 + 1050500605132.

It is an arithmetic number, because the mean of its divisors is an integer number (1050500605132).

Almost surely, 2^{2101001210263} is an apocalyptic number.

2101001210263 is a deficient number, since it is larger than the sum of its proper divisors (1).

2101001210263 is an equidigital number, since it uses as much as digits as its factorization.

2101001210263 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 144, while the sum is 19.

Adding to 2101001210263 its reverse (3620121001012), we get a palindrome (5721122211275).

The spelling of 2101001210263 in words is "two trillion, one hundred one billion, one million, two hundred ten thousand, two hundred sixty-three".