111200201020999 has 2 divisors, whose sum is σ = 111200201021000. Its totient is φ = 111200201020998.

The previous prime is 111200201020969. The next prime is 111200201021009. The reversal of 111200201020999 is 999020102002111.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 111200201020999 - 2¹⁹ = 111200200496711 is a prime.

It is a super-2 number, since 2×111200201020999² (a number of 29 digits) contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (111200201020969) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 55600100510499 + 55600100510500.

It is an arithmetic number, because the mean of its divisors is an integer number (55600100510500).

Almost surely, 2^{111200201020999} is an apocalyptic number.

111200201020999 is a deficient number, since it is larger than the sum of its proper divisors (1).

111200201020999 is an equidigital number, since it uses as much as digits as its factorization.

111200201020999 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 5832, while the sum is 37.

The spelling of 111200201020999 in words is "one hundred eleven trillion, two hundred billion, two hundred one million, twenty thousand, nine hundred ninety-nine".