2112211020211 has 4 divisors (see below), whose sum is σ = 2120429740392. Its totient is φ = 2103992300032.

The previous prime is 2112211020151. The next prime is 2112211020281. The reversal of 2112211020211 is 1120201122112.

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 2112211020211 - 2²³ = 2112202631603 is a prime.

It is a super-2 number, since 2×2112211020211² (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 (2112211020281) 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, 4109359705 + ... + 4109360218.

It is an arithmetic number, because the mean of its divisors is an integer number (530107435098).

Almost surely, 2^{2112211020211} is an apocalyptic number.

2112211020211 is a deficient number, since it is larger than the sum of its proper divisors (8218720181).

2112211020211 is an equidigital number, since it uses as much as digits as its factorization.

2112211020211 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8218720180.

The product of its (nonzero) digits is 32, while the sum is 16.

Adding to 2112211020211 its reverse (1120201122112), we get a palindrome (3232412142323).

The spelling of 2112211020211 in words is "two trillion, one hundred twelve billion, two hundred eleven million, twenty thousand, two hundred eleven".