11212110120199 has 2 divisors, whose sum is σ = 11212110120200. Its totient is φ = 11212110120198.

The previous prime is 11212110120179. The next prime is 11212110120223. The reversal of 11212110120199 is 99102101121211.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 11212110120199 - 2²¹ = 11212108023047 is a prime.

It is a super-2 number, since 2×11212110120199² (a number of 27 digits) contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 11212110120199.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (11212110120109) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5606055060099 + 5606055060100.

It is an arithmetic number, because the mean of its divisors is an integer number (5606055060100).

Almost surely, 2^{11212110120199} is an apocalyptic number.

11212110120199 is a deficient number, since it is larger than the sum of its proper divisors (1).

11212110120199 is an equidigital number, since it uses as much as digits as its factorization.

11212110120199 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 648, while the sum is 31.

The spelling of 11212110120199 in words is "eleven trillion, two hundred twelve billion, one hundred ten million, one hundred twenty thousand, one hundred ninety-nine".