11221302142 has 16 divisors (see below), whose sum is σ = 16956656640. Its totient is φ = 5569178488.

The previous prime is 11221302067. The next prime is 11221302163. The reversal of 11221302142 is 24120312211.

11221302142 is digitally balanced in base 5, because in such base it contains all the possibile digits an equal number of times.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 216783 + ... + 263509.

It is an arithmetic number, because the mean of its divisors is an integer number (1059791040).

Almost surely, 2^11221302142 is an apocalyptic number.

11221302142 is a deficient number, since it is larger than the sum of its proper divisors (5735354498).

11221302142 is a wasteful number, since it uses less digits than its factorization.

11221302142 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 47615.

The product of its (nonzero) digits is 192, while the sum is 19.

Adding to 11221302142 its reverse (24120312211), we get a palindrome (35341614353).

The spelling of 11221302142 in words is "eleven billion, two hundred twenty-one million, three hundred two thousand, one hundred forty-two".