11101642 has 4 divisors (see below), whose sum is σ = 16652466. Its totient is φ = 5550820.

The previous prime is 11101619. The next prime is 11101661. The reversal of 11101642 is 24610111.

11101642 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.

It can be written as a sum of positive squares in only one way, i.e., 7017201 + 4084441 = 2649^2 + 2021^2 .

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2775409 + ... + 2775412.

Almost surely, 2^11101642 is an apocalyptic number.

11101642 is a deficient number, since it is larger than the sum of its proper divisors (5550824).

11101642 is an equidigital number, since it uses as much as digits as its factorization.

11101642 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5550823.

The product of its (nonzero) digits is 48, while the sum is 16.

The square root of 11101642 is about 3331.9126639214. The cubic root of 11101642 is about 223.0809093284.

Adding to 11101642 its reverse (24610111), we get a palindrome (35711753).

The spelling of 11101642 in words is "eleven million, one hundred one thousand, six hundred forty-two".