11100142 has 16 divisors (see below), whose sum is σ = 17827200. Its totient is φ = 5167800.

The previous prime is 11100121. The next prime is 11100143. The reversal of 11100142 is 24100111.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (11100143) 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, 234 + ... + 4717.

It is an arithmetic number, because the mean of its divisors is an integer number (1114200).

Almost surely, 2^11100142 is an apocalyptic number.

11100142 is a deficient number, since it is larger than the sum of its proper divisors (6727058).

11100142 is a wasteful number, since it uses less digits than its factorization.

11100142 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5031.

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

The square root of 11100142 is about 3331.6875603814. The cubic root of 11100142 is about 223.0708616726.

Adding to 11100142 its reverse (24100111), we get a palindrome (35200253).

It can be divided in two parts, 11100 and 142, that multiplied together give a triangular number (1576200 = T₁₇₇₅).

The spelling of 11100142 in words is "eleven million, one hundred thousand, one hundred forty-two".