111200021011229 has 2 divisors, whose sum is σ = 111200021011230. Its totient is φ = 111200021011228.

The previous prime is 111200021011199. The next prime is 111200021011237. The reversal of 111200021011229 is 922110120002111.

It is a happy number.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 111040444730329 + 159576280900 = 10537573^2 + 399470^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-111200021011229 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (111200021011829) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 55600010505614 + 55600010505615.

It is an arithmetic number, because the mean of its divisors is an integer number (55600010505615).

Almost surely, 2^{111200021011229} is an apocalyptic number.

It is an amenable number.

111200021011229 is a deficient number, since it is larger than the sum of its proper divisors (1).

111200021011229 is an equidigital number, since it uses as much as digits as its factorization.

111200021011229 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 144, while the sum is 23.

The spelling of 111200021011229 in words is "one hundred eleven trillion, two hundred billion, twenty-one million, eleven thousand, two hundred twenty-nine".