223021131019 has 2 divisors, whose sum is σ = 223021131020. Its totient is φ = 223021131018.

The previous prime is 223021130993. The next prime is 223021131029. The reversal of 223021131019 is 910131120322.

223021131019 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-223021131019 is a prime.

It is a super-2 number, since 2×223021131019² (a number of 23 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 223021130984 and 223021131002.

It is not a weakly prime, because it can be changed into another prime (223021131029) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 111510565509 + 111510565510.

It is an arithmetic number, because the mean of its divisors is an integer number (111510565510).

Almost surely, 2^223021131019 is an apocalyptic number.

223021131019 is a deficient number, since it is larger than the sum of its proper divisors (1).

223021131019 is an equidigital number, since it uses as much as digits as its factorization.

223021131019 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 223021131019 in words is "two hundred twenty-three billion, twenty-one million, one hundred thirty-one thousand, nineteen".