211214356 has 12 divisors (see below), whose sum is σ = 370061440. Its totient is φ = 105482520.

The previous prime is 211214291. The next prime is 211214357. The reversal of 211214356 is 653412112.

It is a happy number.

It is a super-2 number, since 2×211214356² = 89223008360989472, which contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 211214356.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (211214357) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 27300 + ... + 34171.

Almost surely, 2^211214356 is an apocalyptic number.

It is an amenable number.

211214356 is a deficient number, since it is larger than the sum of its proper divisors (158847084).

211214356 is a wasteful number, since it uses less digits than its factorization.

211214356 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 62334 (or 62332 counting only the distinct ones).

The product of its digits is 1440, while the sum is 25.

The square root of 211214356 is about 14533.2156111440. The cubic root of 211214356 is about 595.5357141160.

Adding to 211214356 its reverse (653412112), we get a palindrome (864626468).

The spelling of 211214356 in words is "two hundred eleven million, two hundred fourteen thousand, three hundred fifty-six".