2111001120211 has 4 divisors (see below), whose sum is σ = 2235177656712. Its totient is φ = 1986824583712.

The previous prime is 2111001120209. The next prime is 2111001120253. The reversal of 2111001120211 is 1120211001112.

It is a happy number.

It is a semiprime because it is the product of two primes.

It is not a de Polignac number, because 2111001120211 - 2¹ = 2111001120209 is a prime.

It is a super-3 number, since 3×2111001120211³ (a number of 38 digits) contains 333 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 2111001120191 and 2111001120200.

It is not an unprimeable number, because it can be changed into a prime (2111001120281) 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 3 ways as a sum of consecutive naturals, for example, 62088268225 + ... + 62088268258.

It is an arithmetic number, because the mean of its divisors is an integer number (558794414178).

Almost surely, 2^{2111001120211} is an apocalyptic number.

2111001120211 is a deficient number, since it is larger than the sum of its proper divisors (124176536501).

2111001120211 is a wasteful number, since it uses less digits than its factorization.

2111001120211 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 124176536500.

The product of its (nonzero) digits is 8, while the sum is 13.

Adding to 2111001120211 its reverse (1120211001112), we get a palindrome (3231212121323).

The spelling of 2111001120211 in words is "two trillion, one hundred eleven billion, one million, one hundred twenty thousand, two hundred eleven".