201111200401024 has 32 divisors (see below), whose sum is σ = 400655529297540. Its totient is φ = 100554518538240.

The previous prime is 201111200401009. The next prime is 201111200401057. The reversal of 201111200401024 is 420104002111102.

It is a happy number.

It can be written as a sum of positive squares in 2 ways, for example, as 200410229583424 + 700970817600 = 14156632^2 + 837240^2 .

It is a tau number, because it is divible by the number of its divisors (32).

It is a junction number, because it is equal to n+sod(n) for n = 201111200400992 and 201111200401010.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 3561822 + ... + 20369314.

Almost surely, 2^{201111200401024} is an apocalyptic number.

It is an amenable number.

201111200401024 is a deficient number, since it is larger than the sum of its proper divisors (199544328896516).

201111200401024 is an equidigital number, since it uses as much as digits as its factorization.

201111200401024 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 16900988 (or 16900976 counting only the distinct ones).

The product of its (nonzero) digits is 128, while the sum is 19.

Adding to 201111200401024 its reverse (420104002111102), we get a palindrome (621215202512126).

The spelling of 201111200401024 in words is "two hundred one trillion, one hundred eleven billion, two hundred million, four hundred one thousand, twenty-four".