221021022119087 has 2 divisors, whose sum is σ = 221021022119088. Its totient is φ = 221021022119086.

The previous prime is 221021022119039. The next prime is 221021022119179. The reversal of 221021022119087 is 780911220120122.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 221021022119087 - 2¹⁰ = 221021022118063 is a prime.

It is a super-3 number, since 3×221021022119087³ (a number of 44 digits) contains 333 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 221021022119087.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (221021522119087) 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, 110510511059543 + 110510511059544.

It is an arithmetic number, because the mean of its divisors is an integer number (110510511059544).

Almost surely, 2^{221021022119087} is an apocalyptic number.

221021022119087 is a deficient number, since it is larger than the sum of its proper divisors (1).

221021022119087 is an equidigital number, since it uses as much as digits as its factorization.

221021022119087 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 16128, while the sum is 38.

The spelling of 221021022119087 in words is "two hundred twenty-one trillion, twenty-one billion, twenty-two million, one hundred nineteen thousand, eighty-seven".