201221014 has 4 divisors (see below), whose sum is σ = 301831524. Its totient is φ = 100610506.

The previous prime is 201221011. The next prime is 201221017. The reversal of 201221014 is 410122102.

It is a happy number.

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

It is an interprime number because it is at equal distance from previous prime (201221011) and next prime (201221017).

It is a junction number, because it is equal to n+sod(n) for n = 201220985 and 201221003.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (201221011) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 50305252 + ... + 50305255.

It is an arithmetic number, because the mean of its divisors is an integer number (75457881).

Almost surely, 2^201221014 is an apocalyptic number.

201221014 is a deficient number, since it is larger than the sum of its proper divisors (100610510).

201221014 is a wasteful number, since it uses less digits than its factorization.

201221014 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 100610509.

The product of its (nonzero) digits is 32, while the sum is 13.

The square root of 201221014 is about 14185.2393000612. The cubic root of 201221014 is about 585.9912228298.

Adding to 201221014 its reverse (410122102), we get a palindrome (611343116).

The spelling of 201221014 in words is "two hundred one million, two hundred twenty-one thousand, fourteen".