11102642 has 4 divisors (see below), whose sum is σ = 16653966. Its totient is φ = 5551320.

The previous prime is 11102633. The next prime is 11102647. The reversal of 11102642 is 24620111.

11102642 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 24620111 = 331 ⋅74381.

It can be written as a sum of positive squares in only one way, i.e., 7458361 + 3644281 = 2731^2 + 1909^2 .

It is a self number, because there is not a number n which added to its sum of digits gives 11102642.

It is not an unprimeable number, because it can be changed into a prime (11102647) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2775659 + ... + 2775662.

Almost surely, 2^11102642 is an apocalyptic number.

11102642 is a deficient number, since it is larger than the sum of its proper divisors (5551324).

11102642 is an equidigital number, since it uses as much as digits as its factorization.

11102642 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5551323.

The product of its (nonzero) digits is 96, while the sum is 17.

The square root of 11102642 is about 3332.0627244996. The cubic root of 11102642 is about 223.0876072629.

Adding to 11102642 its reverse (24620111), we get a palindrome (35722753).

The spelling of 11102642 in words is "eleven million, one hundred two thousand, six hundred forty-two".