221983052827 has 2 divisors, whose sum is σ = 221983052828. Its totient is φ = 221983052826.

The previous prime is 221983052807. The next prime is 221983052939. The reversal of 221983052827 is 728250389122.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 221983052827 - 2¹⁵ = 221983020059 is a prime.

It is not a weakly prime, because it can be changed into another prime (221983052807) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 110991526413 + 110991526414.

It is an arithmetic number, because the mean of its divisors is an integer number (110991526414).

Almost surely, 2^221983052827 is an apocalyptic number.

221983052827 is a deficient number, since it is larger than the sum of its proper divisors (1).

221983052827 is an equidigital number, since it uses as much as digits as its factorization.

221983052827 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 967680, while the sum is 49.

The spelling of 221983052827 in words is "two hundred twenty-one billion, nine hundred eighty-three million, fifty-two thousand, eight hundred twenty-seven".