221130213019 has 2 divisors, whose sum is σ = 221130213020. Its totient is φ = 221130213018.

The previous prime is 221130212977. The next prime is 221130213023. The reversal of 221130213019 is 910312031122.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 221130213019 - 2⁹ = 221130212507 is a prime.

It is a super-2 number, since 2×221130213019² (a number of 23 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 221130212984 and 221130213002.

It is not a weakly prime, because it can be changed into another prime (221130213089) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 110565106509 + 110565106510.

It is an arithmetic number, because the mean of its divisors is an integer number (110565106510).

Almost surely, 2^221130213019 is an apocalyptic number.

221130213019 is a deficient number, since it is larger than the sum of its proper divisors (1).

221130213019 is an equidigital number, since it uses as much as digits as its factorization.

221130213019 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 648, while the sum is 25.

The spelling of 221130213019 in words is "two hundred twenty-one billion, one hundred thirty million, two hundred thirteen thousand, nineteen".