111010221019 has 2 divisors, whose sum is σ = 111010221020. Its totient is φ = 111010221018.

The previous prime is 111010221011. The next prime is 111010221041. The reversal of 111010221019 is 910122010111.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 111010221019 - 2³ = 111010221011 is a prime.

It is a super-2 number, since 2×111010221019² (a number of 23 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 111010220987 and 111010221005.

It is not a weakly prime, because it can be changed into another prime (111010221011) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 55505110509 + 55505110510.

It is an arithmetic number, because the mean of its divisors is an integer number (55505110510).

Almost surely, 2^111010221019 is an apocalyptic number.

111010221019 is a deficient number, since it is larger than the sum of its proper divisors (1).

111010221019 is an equidigital number, since it uses as much as digits as its factorization.

111010221019 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 36, while the sum is 19.

The spelling of 111010221019 in words is "one hundred eleven billion, ten million, two hundred twenty-one thousand, nineteen".