2101211201263 has 2 divisors, whose sum is σ = 2101211201264. Its totient is φ = 2101211201262.

The previous prime is 2101211201191. The next prime is 2101211201267. The reversal of 2101211201263 is 3621021121012.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 2101211201263 - 2¹³ = 2101211193071 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (2101211201267) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1050605600631 + 1050605600632.

It is an arithmetic number, because the mean of its divisors is an integer number (1050605600632).

Almost surely, 2^{2101211201263} is an apocalyptic number.

2101211201263 is a deficient number, since it is larger than the sum of its proper divisors (1).

2101211201263 is an equidigital number, since it uses as much as digits as its factorization.

2101211201263 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 288, while the sum is 22.

Adding to 2101211201263 its reverse (3621021121012), we get a palindrome (5722232322275).

The spelling of 2101211201263 in words is "two trillion, one hundred one billion, two hundred eleven million, two hundred one thousand, two hundred sixty-three".