2112111120211 has 32 divisors (see below), whose sum is σ = 2351817861120. Its totient is φ = 1888489209600.

The previous prime is 2112111120209. The next prime is 2112111120221. The reversal of 2112111120211 is 1120211112112.

It is a cyclic number.

It is not a de Polignac number, because 2112111120211 - 2¹ = 2112111120209 is a prime.

It is a super-2 number, since 2×2112111120211² (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 (2112111120221) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 74050725 + ... + 74079241.

It is an arithmetic number, because the mean of its divisors is an integer number (73494308160).

Almost surely, 2^{2112111120211} is an apocalyptic number.

2112111120211 is a deficient number, since it is larger than the sum of its proper divisors (239706740909).

2112111120211 is a wasteful number, since it uses less digits than its factorization.

2112111120211 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 31675.

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

Adding to 2112111120211 its reverse (1120211112112), we get a palindrome (3232322232323).

It can be divided in two parts, 2112111 and 120211, that added together give a palindrome (2232322).

The spelling of 2112111120211 in words is "two trillion, one hundred twelve billion, one hundred eleven million, one hundred twenty thousand, two hundred eleven".