221211014 has 8 divisors (see below), whose sum is σ = 343258560. Its totient is φ = 106791496.

The previous prime is 221210993. The next prime is 221211017. The reversal of 221211014 is 410112122.

It is a happy number.

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

It is a self number, because there is not a number n which added to its sum of digits gives 221211014.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (221211017) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1906934 + ... + 1907049.

It is an arithmetic number, because the mean of its divisors is an integer number (42907320).

Almost surely, 2^221211014 is an apocalyptic number.

221211014 is a deficient number, since it is larger than the sum of its proper divisors (122047546).

221211014 is a wasteful number, since it uses less digits than its factorization.

221211014 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3814014.

The product of its (nonzero) digits is 32, while the sum is 14.

The square root of 221211014 is about 14873.1642228545. The cubic root of 221211014 is about 604.7867235399.

Adding to 221211014 its reverse (410112122), we get a palindrome (631323136).

The spelling of 221211014 in words is "two hundred twenty-one million, two hundred eleven thousand, fourteen".