2111201123211 has 32 divisors (see below), whose sum is σ = 3134340371520. Its totient is φ = 1404483328512.

The previous prime is 2111201123183. The next prime is 2111201123293. The reversal of 2111201123211 is 1123211021112.

It is a happy number.

2111201123211 is a `hidden beast` number, since 211 + 1 + 20 + 112 + 321 + 1 = 666.

It is not a de Polignac number, because 2111201123211 - 2⁵ = 2111201123179 is a prime.

It is not an unprimeable number, because it can be changed into a prime (2111201123611) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 49803021 + ... + 49845393.

It is an arithmetic number, because the mean of its divisors is an integer number (97948136610).

Almost surely, 2^{2111201123211} is an apocalyptic number.

2111201123211 is a deficient number, since it is larger than the sum of its proper divisors (1023139248309).

2111201123211 is a wasteful number, since it uses less digits than its factorization.

2111201123211 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 46252 (or 46246 counting only the distinct ones).

The product of its (nonzero) digits is 48, while the sum is 18.

Adding to 2111201123211 its reverse (1123211021112), we get a palindrome (3234412144323).

It can be divided in two parts, 211120 and 1123211, that added together give a palindrome (1334331).

The spelling of 2111201123211 in words is "two trillion, one hundred eleven billion, two hundred one million, one hundred twenty-three thousand, two hundred eleven".