11112120201 has 32 divisors (see below), whose sum is σ = 18728136448. Its totient is φ = 5702918400.

The previous prime is 11112120169. The next prime is 11112120209. The reversal of 11112120201 is 10202121111.

It is not a de Polignac number, because 11112120201 - 2⁵ = 11112120169 is a prime.

It is a super-2 number, since 2×11112120201² (a number of 21 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (11112120209) 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 31 ways as a sum of consecutive naturals, for example, 539950 + ... + 560151.

It is an arithmetic number, because the mean of its divisors is an integer number (585254264).

Almost surely, 2^11112120201 is an apocalyptic number.

It is an amenable number.

11112120201 is a deficient number, since it is larger than the sum of its proper divisors (7616016247).

11112120201 is a wasteful number, since it uses less digits than its factorization.

11112120201 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1100161.

The product of its (nonzero) digits is 8, while the sum is 12.

Adding to 11112120201 its reverse (10202121111), we get a palindrome (21314241312).

The spelling of 11112120201 in words is "eleven billion, one hundred twelve million, one hundred twenty thousand, two hundred one".