221201083 has 2 divisors, whose sum is σ = 221201084. Its totient is φ = 221201082.

The previous prime is 221201063. The next prime is 221201117. The reversal of 221201083 is 380102122.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 221201083 - 2¹⁷ = 221070011 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 221201083.

It is not a weakly prime, because it can be changed into another prime (221201033) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 110600541 + 110600542.

It is an arithmetic number, because the mean of its divisors is an integer number (110600542).

Almost surely, 2^221201083 is an apocalyptic number.

221201083 is a deficient number, since it is larger than the sum of its proper divisors (1).

221201083 is an equidigital number, since it uses as much as digits as its factorization.

221201083 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 192, while the sum is 19.

The square root of 221201083 is about 14872.8303627790. The cubic root of 221201083 is about 604.7776730158. Note that the first 3 decimals are identical.

The spelling of 221201083 in words is "two hundred twenty-one million, two hundred one thousand, eighty-three".