11112120020201 has 4 divisors (see below), whose sum is σ = 11113144472832. Its totient is φ = 11111095567572.

The previous prime is 11112120020171. The next prime is 11112120020233. The reversal of 11112120020201 is 10202002121111.

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.

It is a cyclic number.

It is not a de Polignac number, because 11112120020201 - 2⁶ = 11112120020137 is a prime.

It is a super-2 number, since 2×11112120020201² (a number of 27 digits) contains 22 as substring.

It is a Duffinian number.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (11112120020251) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 512210045 + ... + 512231738.

It is an arithmetic number, because the mean of its divisors is an integer number (2778286118208).

Almost surely, 2^{11112120020201} is an apocalyptic number.

It is an amenable number.

11112120020201 is a deficient number, since it is larger than the sum of its proper divisors (1024452631).

11112120020201 is a wasteful number, since it uses less digits than its factorization.

11112120020201 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1024452630.

The product of its (nonzero) digits is 16, while the sum is 14.

Adding to 11112120020201 its reverse (10202002121111), we get a palindrome (21314122141312).

The spelling of 11112120020201 in words is "eleven trillion, one hundred twelve billion, one hundred twenty million, twenty thousand, two hundred one".