2111101211211 has 8 divisors (see below), whose sum is σ = 2814843725520. Its totient is φ = 1407379752192.

The previous prime is 2111101211207. The next prime is 2111101211227. The reversal of 2111101211211 is 1121121011112.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 2111101211211 - 2² = 2111101211207 is a prime.

It is not an unprimeable number, because it can be changed into a prime (2111101219211) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 5028366 + ... + 5432003.

It is an arithmetic number, because the mean of its divisors is an integer number (351855465690).

Almost surely, 2^{2111101211211} is an apocalyptic number.

2111101211211 is a deficient number, since it is larger than the sum of its proper divisors (703742514309).

2111101211211 is a wasteful number, since it uses less digits than its factorization.

2111101211211 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10527645.

The product of its (nonzero) digits is 8, while the sum is 15.

Adding to 2111101211211 its reverse (1121121011112), we get a palindrome (3232222222323).

The spelling of 2111101211211 in words is "two trillion, one hundred eleven billion, one hundred one million, two hundred eleven thousand, two hundred eleven".