221210004019 has 2 divisors, whose sum is σ = 221210004020. Its totient is φ = 221210004018.

The previous prime is 221210003983. The next prime is 221210004061. The reversal of 221210004019 is 910400012122.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 221210004019 - 2⁹ = 221210003507 is a prime.

It is a super-2 number, since 2×221210004019² (a number of 23 digits) contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (221210044019) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 110605002009 + 110605002010.

It is an arithmetic number, because the mean of its divisors is an integer number (110605002010).

Almost surely, 2^221210004019 is an apocalyptic number.

221210004019 is a deficient number, since it is larger than the sum of its proper divisors (1).

221210004019 is an equidigital number, since it uses as much as digits as its factorization.

221210004019 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 288, while the sum is 22.

The spelling of 221210004019 in words is "two hundred twenty-one billion, two hundred ten million, four thousand, nineteen".