11121120201 has 16 divisors (see below), whose sum is σ = 15082764480. Its totient is φ = 7287835200.

The previous prime is 11121120191. The next prime is 11121120211. The reversal of 11121120201 is 10202112111.

It is an interprime number because it is at equal distance from previous prime (11121120191) and next prime (11121120211).

It is not a de Polignac number, because 11121120201 - 2¹⁴ = 11121103817 is a prime.

It is not an unprimeable number, because it can be changed into a prime (11121120211) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 89910 + ... + 174143.

It is an arithmetic number, because the mean of its divisors is an integer number (942672780).

Almost surely, 2^11121120201 is an apocalyptic number.

It is an amenable number.

11121120201 is a deficient number, since it is larger than the sum of its proper divisors (3961644279).

11121120201 is a wasteful number, since it uses less digits than its factorization.

11121120201 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 264296.

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

Adding to 11121120201 its reverse (10202112111), we get a palindrome (21323232312).

The spelling of 11121120201 in words is "eleven billion, one hundred twenty-one million, one hundred twenty thousand, two hundred one".