211211133199 has 4 divisors (see below), whose sum is σ = 230412145320. Its totient is φ = 192010121080.

The previous prime is 211211133143. The next prime is 211211133233. The reversal of 211211133199 is 991331112112.

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

It is a cyclic number.

It is not a de Polignac number, because 211211133199 - 2⁷ = 211211133071 is a prime.

It is a super-2 number, since 2×211211133199² (a number of 23 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (211211133139) 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, 9600506044 + ... + 9600506065.

It is an arithmetic number, because the mean of its divisors is an integer number (57603036330).

Almost surely, 2^211211133199 is an apocalyptic number.

211211133199 is a deficient number, since it is larger than the sum of its proper divisors (19201012121).

211211133199 is a wasteful number, since it uses less digits than its factorization.

211211133199 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 19201012120.

The product of its digits is 2916, while the sum is 34.

The spelling of 211211133199 in words is "two hundred eleven billion, two hundred eleven million, one hundred thirty-three thousand, one hundred ninety-nine".