11112020201 has 4 divisors (see below), whose sum is σ = 11161850112. Its totient is φ = 11062190292.

The previous prime is 11112020191. The next prime is 11112020209. The reversal of 11112020201 is 10202021111.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4, and also an emirpimes, since its reverse is a distinct semiprime: 10202021111 = 83 ⋅122915917.

It is a cyclic number.

It is not a de Polignac number, because 11112020201 - 2⁶ = 11112020137 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (11112020209) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 24914621 + ... + 24915066.

It is an arithmetic number, because the mean of its divisors is an integer number (2790462528).

Almost surely, 2^11112020201 is an apocalyptic number.

It is an amenable number.

11112020201 is a deficient number, since it is larger than the sum of its proper divisors (49829911).

11112020201 is an equidigital number, since it uses as much as digits as its factorization.

11112020201 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 49829910.

The product of its (nonzero) digits is 8, while the sum is 11.

Adding to 11112020201 its reverse (10202021111), we get a palindrome (21314041312).

The spelling of 11112020201 in words is "eleven billion, one hundred twelve million, twenty thousand, two hundred one".