212102211201311 has 2 divisors, whose sum is σ = 212102211201312. Its totient is φ = 212102211201310.

The previous prime is 212102211201289. The next prime is 212102211201319. The reversal of 212102211201311 is 113102112201212.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 212102211201311 - 2³⁰ = 212101137459487 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (212102211201319) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 106051105600655 + 106051105600656.

It is an arithmetic number, because the mean of its divisors is an integer number (106051105600656).

Almost surely, 2^{212102211201311} is an apocalyptic number.

212102211201311 is a deficient number, since it is larger than the sum of its proper divisors (1).

212102211201311 is an equidigital number, since it uses as much as digits as its factorization.

212102211201311 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 96, while the sum is 20.

Adding to 212102211201311 its reverse (113102112201212), we get a palindrome (325204323402523).

Subtracting from 212102211201311 its reverse (113102112201212), we obtain a palindrome (99000099000099).

The spelling of 212102211201311 in words is "two hundred twelve trillion, one hundred two billion, two hundred eleven million, two hundred one thousand, three hundred eleven".