211320192 has 64 divisors (see below), whose sum is σ = 564741360. Its totient is φ = 70010880.

The previous prime is 211320173. The next prime is 211320199. The reversal of 211320192 is 291023112.

It is a tau number, because it is divible by the number of its divisors (64).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (211320199) 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, 64842 + ... + 68022.

Almost surely, 2^211320192 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 211320192, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (282370680).

211320192 is an abundant number, since it is smaller than the sum of its proper divisors (353421168).

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

211320192 is a wasteful number, since it uses less digits than its factorization.

211320192 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3371 (or 3359 counting only the distinct ones).

The product of its (nonzero) digits is 216, while the sum is 21.

The square root of 211320192 is about 14536.8563314081. The cubic root of 211320192 is about 595.6351685192.

The spelling of 211320192 in words is "two hundred eleven million, three hundred twenty thousand, one hundred ninety-two".