221000201090983 has 2 divisors, whose sum is σ = 221000201090984. Its totient is φ = 221000201090982.

The previous prime is 221000201090971. The next prime is 221000201090993. The reversal of 221000201090983 is 389090102000122.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-221000201090983 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (221000201090923) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 110500100545491 + 110500100545492.

It is an arithmetic number, because the mean of its divisors is an integer number (110500100545492).

Almost surely, 2^{221000201090983} is an apocalyptic number.

221000201090983 is a deficient number, since it is larger than the sum of its proper divisors (1).

221000201090983 is an equidigital number, since it uses as much as digits as its factorization.

221000201090983 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 15552, while the sum is 37.

The spelling of 221000201090983 in words is "two hundred twenty-one trillion, two hundred one million, ninety thousand, nine hundred eighty-three".