11101021142 has 4 divisors (see below), whose sum is σ = 16651531716. Its totient is φ = 5550510570.

The previous prime is 11101021123. The next prime is 11101021153. The reversal of 11101021142 is 24112010111.

11101021142 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 is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2775255284 + ... + 2775255287.

It is an arithmetic number, because the mean of its divisors is an integer number (4162882929).

Almost surely, 2^11101021142 is an apocalyptic number.

11101021142 is a deficient number, since it is larger than the sum of its proper divisors (5550510574).

11101021142 is an equidigital number, since it uses as much as digits as its factorization.

11101021142 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5550510573.

The product of its (nonzero) digits is 16, while the sum is 14.

Adding to 11101021142 its reverse (24112010111), we get a palindrome (35213031253).

The spelling of 11101021142 in words is "eleven billion, one hundred one million, twenty-one thousand, one hundred forty-two".