2011122 has 16 divisors (see below), whose sum is σ = 4469280. Its totient is φ = 670356.

The previous prime is 2011111. The next prime is 2011123. The reversal of 2011122 is 2211102.

It is a super-2 number, since 2×2011122² = 8089223397768, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (9).

It is not an unprimeable number, because it can be changed into a prime (2011123) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 18568 + ... + 18675.

It is an arithmetic number, because the mean of its divisors is an integer number (279330).

2^2011122 is an apocalyptic number.

2011122 is an abundant number, since it is smaller than the sum of its proper divisors (2458158).

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

2011122 is a wasteful number, since it uses less digits than its factorization.

2011122 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 37254 (or 37248 counting only the distinct ones).

The product of its (nonzero) digits is 8, while the sum is 9.

The square root of 2011122 is about 1418.1403315610. The cubic root of 2011122 is about 126.2252207683.

Adding to 2011122 its reverse (2211102), we get a palindrome (4222224).

It can be divided in two parts, 201 and 1122, that multiplied together give a palindrome (225522).

The spelling of 2011122 in words is "two million, eleven thousand, one hundred twenty-two".