2011100122 has 4 divisors (see below), whose sum is σ = 3016650186. Its totient is φ = 1005550060.

The previous prime is 2011100093. The next prime is 2011100167. The reversal of 2011100122 is 2210011102.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in only one way, i.e., 1937672361 + 73427761 = 44019^2 + 8569^2 .

It is a junction number, because it is equal to n+sod(n) for n = 2011100099 and 2011100108.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 502775029 + ... + 502775032.

Almost surely, 2^2011100122 is an apocalyptic number.

2011100122 is a deficient number, since it is larger than the sum of its proper divisors (1005550064).

2011100122 is a wasteful number, since it uses less digits than its factorization.

2011100122 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1005550063.

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

The square root of 2011100122 is about 44845.2909679489. The cubic root of 2011100122 is about 1262.2476305280.

Adding to 2011100122 its reverse (2210011102), we get a palindrome (4221111224).

The spelling of 2011100122 in words is "two billion, eleven million, one hundred thousand, one hundred twenty-two".