211100245 has 8 divisors (see below), whose sum is σ = 256527360. Its totient is φ = 166742160.

The previous prime is 211100231. The next prime is 211100293. The reversal of 211100245 is 542001112.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 211100245 - 2⁷ = 211100117 is a prime.

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, 266821 + ... + 267610.

It is an arithmetic number, because the mean of its divisors is an integer number (32065920).

Almost surely, 2^211100245 is an apocalyptic number.

It is an amenable number.

211100245 is a deficient number, since it is larger than the sum of its proper divisors (45427115).

211100245 is an equidigital number, since it uses as much as digits as its factorization.

211100245 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 534515.

The product of its (nonzero) digits is 80, while the sum is 16.

The square root of 211100245 is about 14529.2892117956. The cubic root of 211100245 is about 595.4284464425.

Adding to 211100245 its reverse (542001112), we get a palindrome (753101357).

The spelling of 211100245 in words is "two hundred eleven million, one hundred thousand, two hundred forty-five".