210199973311 has 2 divisors, whose sum is σ = 210199973312. Its totient is φ = 210199973310.

The previous prime is 210199973309. The next prime is 210199973351. The reversal of 210199973311 is 113379991012.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 210199973311 - 2¹ = 210199973309 is a prime.

It is a super-2 number, since 2×210199973311² (a number of 23 digits) contains 22 as substring.

Together with 210199973309, it forms a pair of twin primes.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (210199973351) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 105099986655 + 105099986656.

It is an arithmetic number, because the mean of its divisors is an integer number (105099986656).

Almost surely, 2^210199973311 is an apocalyptic number.

210199973311 is a deficient number, since it is larger than the sum of its proper divisors (1).

210199973311 is an equidigital number, since it uses as much as digits as its factorization.

210199973311 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 91854, while the sum is 46.

The spelling of 210199973311 in words is "two hundred ten billion, one hundred ninety-nine million, nine hundred seventy-three thousand, three hundred eleven".