211144190 has 32 divisors (see below), whose sum is σ = 390376800. Its totient is φ = 82180224.

The previous prime is 211144189. The next prime is 211144211. The reversal of 211144190 is 91441112.

211144190 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is a super-2 number, since 2×211144190² = 89163737941512200, which contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 135536 + ... + 137084.

It is an arithmetic number, because the mean of its divisors is an integer number (12199275).

Almost surely, 2^211144190 is an apocalyptic number.

211144190 is a deficient number, since it is larger than the sum of its proper divisors (179232610).

211144190 is a wasteful number, since it uses less digits than its factorization.

211144190 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1916.

The product of its (nonzero) digits is 288, while the sum is 23.

The square root of 211144190 is about 14530.8014231838. The cubic root of 211144190 is about 595.4697606020.

The spelling of 211144190 in words is "two hundred eleven million, one hundred forty-four thousand, one hundred ninety".