2100202120063 has 2 divisors, whose sum is σ = 2100202120064. Its totient is φ = 2100202120062.

The previous prime is 2100202120021. The next prime is 2100202120087. The reversal of 2100202120063 is 3600212020012.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 2100202120063 - 2²¹ = 2100200022911 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 2100202120063.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (2100202120363) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1050101060031 + 1050101060032.

It is an arithmetic number, because the mean of its divisors is an integer number (1050101060032).

Almost surely, 2^{2100202120063} is an apocalyptic number.

2100202120063 is a deficient number, since it is larger than the sum of its proper divisors (1).

2100202120063 is an equidigital number, since it uses as much as digits as its factorization.

2100202120063 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 288, while the sum is 19.

Adding to 2100202120063 its reverse (3600212020012), we get a palindrome (5700414140075).

The spelling of 2100202120063 in words is "two trillion, one hundred billion, two hundred two million, one hundred twenty thousand, sixty-three".