190211100 has 72 divisors (see below), whose sum is σ = 557047680. Its totient is φ = 50105280.

The previous prime is 190211093. The next prime is 190211111. The reversal of 190211100 is 1112091.

190211100 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is a Harshad number since it is a multiple of its sum of digits (15).

It is a self number, because there is not a number n which added to its sum of digits gives 190211100.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 21081 + ... + 28719.

Almost surely, 2^190211100 is an apocalyptic number.

190211100 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 190211100, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (278523840).

190211100 is an abundant number, since it is smaller than the sum of its proper divisors (366836580).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

190211100 is a wasteful number, since it uses less digits than its factorization.

190211100 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7739 (or 7732 counting only the distinct ones).

The product of its (nonzero) digits is 18, while the sum is 15.

The square root of 190211100 is about 13791.7040281468. The cubic root of 190211100 is about 575.1025399990.

Adding to 190211100 its reverse (1112091), we get a palindrome (191323191).

The spelling of 190211100 in words is "one hundred ninety million, two hundred eleven thousand, one hundred".