2111021212199 has 4 divisors (see below), whose sum is σ = 2111618730936. Its totient is φ = 2110423693464.

The previous prime is 2111021212193. The next prime is 2111021212217. The reversal of 2111021212199 is 9912121201112.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-2111021212199 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2111021212193) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 298754069 + ... + 298761134.

It is an arithmetic number, because the mean of its divisors is an integer number (527904682734).

Almost surely, 2^{2111021212199} is an apocalyptic number.

2111021212199 is a deficient number, since it is larger than the sum of its proper divisors (597518737).

2111021212199 is an equidigital number, since it uses as much as digits as its factorization.

2111021212199 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 597518736.

The product of its (nonzero) digits is 1296, while the sum is 32.

The spelling of 2111021212199 in words is "two trillion, one hundred eleven billion, twenty-one million, two hundred twelve thousand, one hundred ninety-nine".