221021002101199 has 2 divisors, whose sum is σ = 221021002101200. Its totient is φ = 221021002101198.

The previous prime is 221021002101131. The next prime is 221021002101281. The reversal of 221021002101199 is 991101200120122.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 221021002101199 - 2¹³ = 221021002093007 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 221021002101199.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (221021002111199) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 110510501050599 + 110510501050600.

It is an arithmetic number, because the mean of its divisors is an integer number (110510501050600).

Almost surely, 2^{221021002101199} is an apocalyptic number.

221021002101199 is a deficient number, since it is larger than the sum of its proper divisors (1).

221021002101199 is an equidigital number, since it uses as much as digits as its factorization.

221021002101199 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 1296, while the sum is 31.

The spelling of 221021002101199 in words is "two hundred twenty-one trillion, twenty-one billion, two million, one hundred one thousand, one hundred ninety-nine".