113211019 has 2 divisors, whose sum is σ = 113211020. Its totient is φ = 113211018.

The previous prime is 113211011. The next prime is 113211023. The reversal of 113211019 is 910112311.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 113211019 - 2³ = 113211011 is a prime.

It is a super-2 number, since 2×113211019² = 25633469646036722, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 113210987 and 113211005.

It is not a weakly prime, because it can be changed into another prime (113211011) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 56605509 + 56605510.

It is an arithmetic number, because the mean of its divisors is an integer number (56605510).

Almost surely, 2^113211019 is an apocalyptic number.

113211019 is a deficient number, since it is larger than the sum of its proper divisors (1).

113211019 is an equidigital number, since it uses as much as digits as its factorization.

113211019 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 54, while the sum is 19.

The square root of 113211019 is about 10640.0666821219. The cubic root of 113211019 is about 483.7595665658.

The spelling of 113211019 in words is "one hundred thirteen million, two hundred eleven thousand, nineteen".