211112020211 has 4 divisors (see below), whose sum is σ = 211145309232. Its totient is φ = 211078731192.

The previous prime is 211112020169. The next prime is 211112020243. The reversal of 211112020211 is 112020211112.

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 211112020211 - 2³⁴ = 193932151027 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (211112023211) 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, 16634996 + ... + 16647681.

It is an arithmetic number, because the mean of its divisors is an integer number (52786327308).

Almost surely, 2^211112020211 is an apocalyptic number.

211112020211 is a deficient number, since it is larger than the sum of its proper divisors (33289021).

211112020211 is an equidigital number, since it uses as much as digits as its factorization.

211112020211 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 33289020.

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

Adding to 211112020211 its reverse (112020211112), we get a palindrome (323132231323).

The spelling of 211112020211 in words is "two hundred eleven billion, one hundred twelve million, twenty thousand, two hundred eleven".