221042034019 has 2 divisors, whose sum is σ = 221042034020. Its totient is φ = 221042034018.

The previous prime is 221042033963. The next prime is 221042034061. The reversal of 221042034019 is 910430240122.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 221042034019 - 2⁹ = 221042033507 is a prime.

It is a super-2 number, since 2×221042034019² (a number of 23 digits) contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (221042034089) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 110521017009 + 110521017010.

It is an arithmetic number, because the mean of its divisors is an integer number (110521017010).

Almost surely, 2^221042034019 is an apocalyptic number.

221042034019 is a deficient number, since it is larger than the sum of its proper divisors (1).

221042034019 is an equidigital number, since it uses as much as digits as its factorization.

221042034019 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 3456, while the sum is 28.

The spelling of 221042034019 in words is "two hundred twenty-one billion, forty-two million, thirty-four thousand, nineteen".