111022021020194 has 8 divisors (see below), whose sum is σ = 166554183977580. Its totient is φ = 55503959694336.

The previous prime is 111022021020191. The next prime is 111022021020247. The reversal of 111022021020194 is 491020120220111.

It can be written as a sum of positive squares in 2 ways, for example, as 103978543878169 + 7043477142025 = 10196987^2 + 2653955^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is not an unprimeable number, because it can be changed into a prime (111022021020191) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 3525388199 + ... + 3525419690.

Almost surely, 2^{111022021020194} is an apocalyptic number.

111022021020194 is a deficient number, since it is larger than the sum of its proper divisors (55532162957386).

111022021020194 is an equidigital number, since it uses as much as digits as its factorization.

111022021020194 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7050815764.

The product of its (nonzero) digits is 576, while the sum is 26.

The spelling of 111022021020194 in words is "one hundred eleven trillion, twenty-two billion, twenty-one million, twenty thousand, one hundred ninety-four".