211111222193 has 8 divisors (see below), whose sum is σ = 227886177600. Its totient is φ = 194969284048.

The previous prime is 211111222151. The next prime is 211111222219. The reversal of 211111222193 is 391222111112.

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

It is a cyclic number.

It is not a de Polignac number, because 211111222193 - 2³⁴ = 193931353009 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (211111222123) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 158253623 + ... + 158254956.

It is an arithmetic number, because the mean of its divisors is an integer number (28485772200).

Almost surely, 2^211111222193 is an apocalyptic number.

211111222193 is a gapful number since it is divisible by the number (23) formed by its first and last digit.

It is an amenable number.

211111222193 is a deficient number, since it is larger than the sum of its proper divisors (16774955407).

211111222193 is a wasteful number, since it uses less digits than its factorization.

211111222193 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 316508631.

The product of its digits is 432, while the sum is 26.

The spelling of 211111222193 in words is "two hundred eleven billion, one hundred eleven million, two hundred twenty-two thousand, one hundred ninety-three".