2101112222 has 16 divisors (see below), whose sum is σ = 3439670400. Its totient is φ = 954638040.

The previous prime is 2101112219. The next prime is 2101112239. The reversal of 2101112222 is 2222111012.

It is a junction number, because it is equal to n+sod(n) for n = 2101112197 and 2101112206.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 34679 + ... + 73517.

It is an arithmetic number, because the mean of its divisors is an integer number (214979400).

Almost surely, 2^2101112222 is an apocalyptic number.

2101112222 is a gapful number since it is divisible by the number (22) formed by its first and last digit.

2101112222 is a deficient number, since it is larger than the sum of its proper divisors (1338558178).

2101112222 is a wasteful number, since it uses less digits than its factorization.

2101112222 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 41311.

The product of its (nonzero) digits is 32, while the sum is 14.

The square root of 2101112222 is about 45837.8906800913. The cubic root of 2101112222 is about 1280.8052025979.

Adding to 2101112222 its reverse (2222111012), we get a palindrome (4323223234).

It can be divided in two parts, 21011 and 12222, that added together give a palindrome (33233).

The spelling of 2101112222 in words is "two billion, one hundred one million, one hundred twelve thousand, two hundred twenty-two".