2112101211 has 16 divisors (see below), whose sum is σ = 3101978880. Its totient is φ = 1267631520.

The previous prime is 2112101203. The next prime is 2112101221. The reversal of 2112101211 is 1121012112.

It is not a de Polignac number, because 2112101211 - 2³ = 2112101203 is a prime.

It is not an unprimeable number, because it can be changed into a prime (2112101221) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 307296 + ... + 314093.

It is an arithmetic number, because the mean of its divisors is an integer number (193873680).

Almost surely, 2^2112101211 is an apocalyptic number.

2112101211 is a deficient number, since it is larger than the sum of its proper divisors (989877669).

2112101211 is a wasteful number, since it uses less digits than its factorization.

2112101211 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 621506.

The product of its (nonzero) digits is 8, while the sum is 12.

The square root of 2112101211 is about 45957.6023199644. The cubic root of 2112101211 is about 1283.0342264789.

Adding to 2112101211 its reverse (1121012112), we get a palindrome (3233113323).

It can be divided in two parts, 2 and 112101211, that multiplied together give a palindrome (224202422).

The spelling of 2112101211 in words is "two billion, one hundred twelve million, one hundred one thousand, two hundred eleven".