11122011142 has 8 divisors (see below), whose sum is σ = 18199654632. Its totient is φ = 5055459600.

The previous prime is 11122011139. The next prime is 11122011161. The reversal of 11122011142 is 24111022111.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 252772959 + ... + 252773002.

It is an arithmetic number, because the mean of its divisors is an integer number (2274956829).

Almost surely, 2^11122011142 is an apocalyptic number.

11122011142 is a deficient number, since it is larger than the sum of its proper divisors (7077643490).

11122011142 is a wasteful number, since it uses less digits than its factorization.

11122011142 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 505545974.

The product of its (nonzero) digits is 32, while the sum is 16.

Adding to 11122011142 its reverse (24111022111), we get a palindrome (35233033253).

The spelling of 11122011142 in words is "eleven billion, one hundred twenty-two million, eleven thousand, one hundred forty-two".