211211112194 has 8 divisors (see below), whose sum is σ = 333491229840. Its totient is φ = 100047368916.

The previous prime is 211211112179. The next prime is 211211112221. The reversal of 211211112194 is 491211112112.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a super-2 number, since 2×211211112194² (a number of 23 digits) contains 22 as substring.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2779093544 + ... + 2779093619.

It is an arithmetic number, because the mean of its divisors is an integer number (41686403730).

Almost surely, 2^211211112194 is an apocalyptic number.

211211112194 is a deficient number, since it is larger than the sum of its proper divisors (122280117646).

211211112194 is a wasteful number, since it uses less digits than its factorization.

211211112194 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5558187184.

The product of its digits is 288, while the sum is 26.

The spelling of 211211112194 in words is "two hundred eleven billion, two hundred eleven million, one hundred twelve thousand, one hundred ninety-four".