2110021111211 has 12 divisors (see below), whose sum is σ = 2284935123240. Its totient is φ = 1947610042560.

The previous prime is 2110021111117. The next prime is 2110021111213. The reversal of 2110021111211 is 1121111200112.

It is a de Polignac number, because none of the positive numbers 2^k-2110021111211 is a prime.

It is a super-2 number, since 2×2110021111211² (a number of 25 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (2110021111213) 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 11 ways as a sum of consecutive naturals, for example, 3019631 + ... + 3652151.

It is an arithmetic number, because the mean of its divisors is an integer number (190411260270).

Almost surely, 2^{2110021111211} is an apocalyptic number.

2110021111211 is a deficient number, since it is larger than the sum of its proper divisors (174914012029).

2110021111211 is a wasteful number, since it uses less digits than its factorization.

2110021111211 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 652286 (or 652273 counting only the distinct ones).

The product of its (nonzero) digits is 8, while the sum is 14.

Adding to 2110021111211 its reverse (1121111200112), we get a palindrome (3231132311323).

The spelling of 2110021111211 in words is "two trillion, one hundred ten billion, twenty-one million, one hundred eleven thousand, two hundred eleven".