221000100983 has 2 divisors, whose sum is σ = 221000100984. Its totient is φ = 221000100982.

The previous prime is 221000100967. The next prime is 221000101001. The reversal of 221000100983 is 389001000122.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 221000100983 - 2⁴ = 221000100967 is a prime.

It is a Sophie Germain prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (221000100913) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 110500050491 + 110500050492.

It is an arithmetic number, because the mean of its divisors is an integer number (110500050492).

Almost surely, 2^221000100983 is an apocalyptic number.

221000100983 is a deficient number, since it is larger than the sum of its proper divisors (1).

221000100983 is an equidigital number, since it uses as much as digits as its factorization.

221000100983 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 864, while the sum is 26.

The spelling of 221000100983 in words is "two hundred twenty-one billion, one hundred thousand, nine hundred eighty-three".