211122055 has 8 divisors (see below), whose sum is σ = 258126912. Its totient is φ = 165710688.

The previous prime is 211122047. The next prime is 211122071. The reversal of 211122055 is 550221112.

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 211122055 - 2³ = 211122047 is a prime.

It is a Duffinian number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 398079 + ... + 398608.

It is an arithmetic number, because the mean of its divisors is an integer number (32265864).

Almost surely, 2^211122055 is an apocalyptic number.

211122055 is a deficient number, since it is larger than the sum of its proper divisors (47004857).

211122055 is an equidigital number, since it uses as much as digits as its factorization.

211122055 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 796745.

The product of its (nonzero) digits is 200, while the sum is 19.

The square root of 211122055 is about 14530.0397453001. The cubic root of 211122055 is about 595.4489514672.

Adding to 211122055 its reverse (550221112), we get a palindrome (761343167).

The spelling of 211122055 in words is "two hundred eleven million, one hundred twenty-two thousand, fifty-five".