2211100122 has 32 divisors (see below), whose sum is σ = 5513393664. Its totient is φ = 574311600.

The previous prime is 2211100117. The next prime is 2211100153. The reversal of 2211100122 is 2210011122.

It is a junction number, because it is equal to n+sod(n) for n = 2211100098 and 2211100107.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 2392504 + ... + 2393427.

It is an arithmetic number, because the mean of its divisors is an integer number (172293552).

Almost surely, 2^2211100122 is an apocalyptic number.

2211100122 is a gapful number since it is divisible by the number (22) formed by its first and last digit.

2211100122 is an abundant number, since it is smaller than the sum of its proper divisors (3302293542).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

2211100122 is a wasteful number, since it uses less digits than its factorization.

2211100122 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4785954.

The product of its (nonzero) digits is 16, while the sum is 12.

The square root of 2211100122 is about 47022.3364157929. The cubic root of 2211100122 is about 1302.7751606926.

Adding to 2211100122 its reverse (2210011122), we get a palindrome (4421111244).

The spelling of 2211100122 in words is "two billion, two hundred eleven million, one hundred thousand, one hundred twenty-two".