2011223999959 has 2 divisors, whose sum is σ = 2011223999960. Its totient is φ = 2011223999958.

The previous prime is 2011223999929. The next prime is 2011223999963. The reversal of 2011223999959 is 9599993221102.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 2011223999959 - 2⁷ = 2011223999831 is a prime.

It is a super-2 number, since 2×2011223999959² (a number of 25 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 2011223999897 and 2011223999906.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (2011223999929) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1005611999979 + 1005611999980.

It is an arithmetic number, because the mean of its divisors is an integer number (1005611999980).

Almost surely, 2^{2011223999959} is an apocalyptic number.

2011223999959 is a deficient number, since it is larger than the sum of its proper divisors (1).

2011223999959 is an equidigital number, since it uses as much as digits as its factorization.

2011223999959 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 7085880, while the sum is 61.

The spelling of 2011223999959 in words is "two trillion, eleven billion, two hundred twenty-three million, nine hundred ninety-nine thousand, nine hundred fifty-nine".