11202242142 has 64 divisors (see below), whose sum is σ = 27647262720. Its totient is φ = 2946668544.

The previous prime is 11202242059. The next prime is 11202242147. The reversal of 11202242142 is 24124220211.

It is a Harshad number since it is a multiple of its sum of digits (21).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (11202242147) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 182334 + ... + 235902.

It is an arithmetic number, because the mean of its divisors is an integer number (431988480).

Almost surely, 2^11202242142 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 11202242142, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (13823631360).

11202242142 is an abundant number, since it is smaller than the sum of its proper divisors (16445020578).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

11202242142 is a wasteful number, since it uses less digits than its factorization.

11202242142 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 53977.

The product of its (nonzero) digits is 512, while the sum is 21.

Adding to 11202242142 its reverse (24124220211), we get a palindrome (35326462353).

The spelling of 11202242142 in words is "eleven billion, two hundred two million, two hundred forty-two thousand, one hundred forty-two".