211200022122191 has 2 divisors, whose sum is σ = 211200022122192. Its totient is φ = 211200022122190.

The previous prime is 211200022122163. The next prime is 211200022122253. The reversal of 211200022122191 is 191221220002112.

211200022122191 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a weak prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-211200022122191 is a prime.

It is a super-4 number, since 4×211200022122191⁴ (a number of 58 digits) contains 4444 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 211200022122191.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (211200022142191) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 105600011061095 + 105600011061096.

It is an arithmetic number, because the mean of its divisors is an integer number (105600011061096).

Almost surely, 2^{211200022122191} is an apocalyptic number.

211200022122191 is a deficient number, since it is larger than the sum of its proper divisors (1).

211200022122191 is an equidigital number, since it uses as much as digits as its factorization.

211200022122191 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 576, while the sum is 26.

The spelling of 211200022122191 in words is "two hundred eleven trillion, two hundred billion, twenty-two million, one hundred twenty-two thousand, one hundred ninety-one".