211121222193 has 12 divisors (see below), whose sum is σ = 348517573248. Its totient is φ = 120640698360.

The previous prime is 211121222177. The next prime is 211121222209. The reversal of 211121222193 is 391222121112.

It is an interprime number because it is at equal distance from previous prime (211121222177) and next prime (211121222209).

It is not a de Polignac number, because 211121222193 - 2⁴ = 211121222177 is a prime.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (211121222153) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 1675565193 + ... + 1675565318.

It is an arithmetic number, because the mean of its divisors is an integer number (29043131104).

Almost surely, 2^211121222193 is an apocalyptic number.

It is an amenable number.

211121222193 is a deficient number, since it is larger than the sum of its proper divisors (137396351055).

211121222193 is a wasteful number, since it uses less digits than its factorization.

211121222193 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3351130524 (or 3351130521 counting only the distinct ones).

The product of its digits is 864, while the sum is 27.

The spelling of 211121222193 in words is "two hundred eleven billion, one hundred twenty-one million, two hundred twenty-two thousand, one hundred ninety-three".