11142220141 has 16 divisors (see below), whose sum is σ = 12654355840. Its totient is φ = 9725676480.

The previous prime is 11142220097. The next prime is 11142220183. The reversal of 11142220141 is 14102224111.

It is a happy number.

It is not a de Polignac number, because 11142220141 - 2⁹ = 11142219629 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (19).

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (11142220841) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 91936 + ... + 175318.

It is an arithmetic number, because the mean of its divisors is an integer number (790897240).

Almost surely, 2^11142220141 is an apocalyptic number.

It is an amenable number.

11142220141 is a deficient number, since it is larger than the sum of its proper divisors (1512135699).

11142220141 is a wasteful number, since it uses less digits than its factorization.

11142220141 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 83956.

The product of its (nonzero) digits is 128, while the sum is 19.

Adding to 11142220141 its reverse (14102224111), we get a palindrome (25244444252).

The spelling of 11142220141 in words is "eleven billion, one hundred forty-two million, two hundred twenty thousand, one hundred forty-one".