2111012020211 has 4 divisors (see below), whose sum is σ = 2131913129424. Its totient is φ = 2090110911000.

The previous prime is 2111012020189. The next prime is 2111012020213. The reversal of 2111012020211 is 1120202101112.

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

It is a cyclic number.

It is not a de Polignac number, because 2111012020211 - 2¹⁴ = 2111012003827 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (2111012020213) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 10450554455 + ... + 10450554656.

It is an arithmetic number, because the mean of its divisors is an integer number (532978282356).

Almost surely, 2^{2111012020211} is an apocalyptic number.

2111012020211 is a deficient number, since it is larger than the sum of its proper divisors (20901109213).

2111012020211 is a wasteful number, since it uses less digits than its factorization.

2111012020211 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 20901109212.

The product of its (nonzero) digits is 16, while the sum is 14.

Adding to 2111012020211 its reverse (1120202101112), we get a palindrome (3231214121323).

The spelling of 2111012020211 in words is "two trillion, one hundred eleven billion, twelve million, twenty thousand, two hundred eleven".