102211213813 has 2 divisors, whose sum is σ = 102211213814. Its totient is φ = 102211213812.

The previous prime is 102211213801. The next prime is 102211213817. The reversal of 102211213813 is 318312112201.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 102210008209 + 1205604 = 319703^2 + 1098^2 .

It is a cyclic number.

It is not a de Polignac number, because 102211213813 - 2⁹ = 102211213301 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (102211213817) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 51105606906 + 51105606907.

It is an arithmetic number, because the mean of its divisors is an integer number (51105606907).

Almost surely, 2^102211213813 is an apocalyptic number.

It is an amenable number.

102211213813 is a deficient number, since it is larger than the sum of its proper divisors (1).

102211213813 is an equidigital number, since it uses as much as digits as its factorization.

102211213813 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 576, while the sum is 25.

The spelling of 102211213813 in words is "one hundred two billion, two hundred eleven million, two hundred thirteen thousand, eight hundred thirteen".