2111242 has 16 divisors (see below), whose sum is σ = 3810240. Its totient is φ = 857088.

The previous prime is 2111231. The next prime is 2111251. The reversal of 2111242 is 2421112.

2111242 = 54² + 55² + ... + 186².

It is a happy number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 3703 + ... + 4234.

It is an arithmetic number, because the mean of its divisors is an integer number (238140).

2^2111242 is an apocalyptic number.

2111242 is a deficient number, since it is larger than the sum of its proper divisors (1698998).

2111242 is a wasteful number, since it uses less digits than its factorization.

2111242 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7965.

The product of its digits is 32, while the sum is 13.

The square root of 2111242 is about 1453.0113557712. The cubic root of 2111242 is about 128.2860221774.

Adding to 2111242 its reverse (2421112), we get a palindrome (4532354).

The spelling of 2111242 in words is "two million, one hundred eleven thousand, two hundred forty-two".