11101142 has 16 divisors (see below), whose sum is σ = 18552240. Its totient is φ = 4946592.

The previous prime is 11101141. The next prime is 11101151. The reversal of 11101142 is 24110111.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (11101141) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 6608 + ... + 8115.

It is an arithmetic number, because the mean of its divisors is an integer number (1159515).

Almost surely, 2^11101142 is an apocalyptic number.

11101142 is a deficient number, since it is larger than the sum of its proper divisors (7451098).

11101142 is a wasteful number, since it uses less digits than its factorization.

11101142 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 14767.

The product of its (nonzero) digits is 8, while the sum is 11.

The square root of 11101142 is about 3331.8376310979. The cubic root of 11101142 is about 223.0775602104.

Adding to 11101142 its reverse (24110111), we get a palindrome (35211253).

The spelling of 11101142 in words is "eleven million, one hundred one thousand, one hundred forty-two".