11112100122201 has 24 divisors (see below), whose sum is σ = 16049022759360. Its totient is φ = 6835863842496.

The previous prime is 11112100122197. The next prime is 11112100122223. The reversal of 11112100122201 is 10222100121111.

It is a happy number.

It is not a de Polignac number, because 11112100122201 - 2² = 11112100122197 is a prime.

It is not an unprimeable number, because it can be changed into a prime (11112100122281) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 2292301 + ... + 5242026.

It is an arithmetic number, because the mean of its divisors is an integer number (668709281640).

Almost surely, 2^{11112100122201} is an apocalyptic number.

It is an amenable number.

11112100122201 is a deficient number, since it is larger than the sum of its proper divisors (4936922637159).

11112100122201 is a wasteful number, since it uses less digits than its factorization.

11112100122201 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7537265 (or 7537252 counting only the distinct ones).

The product of its (nonzero) digits is 16, while the sum is 15.

Adding to 11112100122201 its reverse (10222100121111), we get a palindrome (21334200243312).

The spelling of 11112100122201 in words is "eleven trillion, one hundred twelve billion, one hundred million, one hundred twenty-two thousand, two hundred one".