2111122 has 8 divisors (see below), whose sum is σ = 3410316. Its totient is φ = 974352.

The previous prime is 2111107. The next prime is 2111129. The reversal of 2111122 is 2211112.

It can be written as a sum of positive squares in 2 ways, for example, as 2070721 + 40401 = 1439^2 + 201^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is a nude number because it is divisible by every one of its digits.

It is a junction number, because it is equal to n+sod(n) for n = 2111099 and 2111108.

It is not an unprimeable number, because it can be changed into a prime (2111129) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 40573 + ... + 40624.

2^2111122 is an apocalyptic number.

2111122 is a deficient number, since it is larger than the sum of its proper divisors (1299194).

2111122 is a wasteful number, since it uses less digits than its factorization.

2111122 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 81212.

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

The square root of 2111122 is about 1452.9700616324. The cubic root of 2111122 is about 128.2835915996.

Subtracting from 2111122 its sum of digits (10), we obtain a palindrome (2111112).

Adding to 2111122 its reverse (2211112), we get a palindrome (4322234).

It can be divided in two parts, 211112 and 2, that multiplied together give a palindrome (422224).

The spelling of 2111122 in words is "two million, one hundred eleven thousand, one hundred twenty-two".