1200112112211 has 16 divisors (see below), whose sum is σ = 1603644641280. Its totient is φ = 798328823040.

The previous prime is 1200112112203. The next prime is 1200112112257. The reversal of 1200112112211 is 1122112110021.

It is a happy number.

It is not a de Polignac number, because 1200112112211 - 2³ = 1200112112203 is a prime.

It is not an unprimeable number, because it can be changed into a prime (1200112112291) 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, 2698806 + ... + 3111876.

It is an arithmetic number, because the mean of its divisors is an integer number (100227790080).

Almost surely, 2^{1200112112211} is an apocalyptic number.

1200112112211 is a deficient number, since it is larger than the sum of its proper divisors (403532529069).

1200112112211 is a wasteful number, since it uses less digits than its factorization.

1200112112211 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 415186.

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

Adding to 1200112112211 its reverse (1122112110021), we get a palindrome (2322224222232).

The spelling of 1200112112211 in words is "one trillion, two hundred billion, one hundred twelve million, one hundred twelve thousand, two hundred eleven".