2100011122 has 32 divisors (see below), whose sum is σ = 3651562944. Its totient is φ = 895180800.

The previous prime is 2100011117. The next prime is 2100011129. The reversal of 2100011122 is 2211100012.

It is a junction number, because it is equal to n+sod(n) for n = 2100011099 and 2100011108.

It is not an unprimeable number, because it can be changed into a prime (2100011129) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 95922 + ... + 115762.

It is an arithmetic number, because the mean of its divisors is an integer number (114111342).

Almost surely, 2^2100011122 is an apocalyptic number.

2100011122 is a gapful number since it is divisible by the number (22) formed by its first and last digit.

2100011122 is a deficient number, since it is larger than the sum of its proper divisors (1551551822).

2100011122 is a wasteful number, since it uses less digits than its factorization.

2100011122 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 20154.

The product of its (nonzero) digits is 8, while the sum is 10.

The square root of 2100011122 is about 45825.8783003665. The cubic root of 2100011122 is about 1280.5814257139.

Adding to 2100011122 its reverse (2211100012), we get a palindrome (4311111134).

The spelling of 2100011122 in words is "two billion, one hundred million, eleven thousand, one hundred twenty-two".