211146214 has 4 divisors (see below), whose sum is σ = 316719324. Its totient is φ = 105573106.

The previous prime is 211146197. The next prime is 211146217. The reversal of 211146214 is 412641112.

It is a semiprime because it is the product of two primes.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (211146217) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 52786552 + ... + 52786555.

It is an arithmetic number, because the mean of its divisors is an integer number (79179831).

Almost surely, 2^211146214 is an apocalyptic number.

211146214 is a deficient number, since it is larger than the sum of its proper divisors (105573110).

211146214 is a wasteful number, since it uses less digits than its factorization.

211146214 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 105573109.

The product of its digits is 384, while the sum is 22.

The square root of 211146214 is about 14530.8710681776. The cubic root of 211146214 is about 595.4716632938.

Adding to 211146214 its reverse (412641112), we get a palindrome (623787326).

The spelling of 211146214 in words is "two hundred eleven million, one hundred forty-six thousand, two hundred fourteen".