11430211221142 has 48 divisors (see below), whose sum is σ = 20314925016048. Its totient is φ = 4808037165120.

The previous prime is 11430211221071. The next prime is 11430211221151. The reversal of 11430211221142 is 24112211203411.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 744568 + ... + 4838884.

It is an arithmetic number, because the mean of its divisors is an integer number (423227604501).

Almost surely, 2^{11430211221142} is an apocalyptic number.

11430211221142 is a deficient number, since it is larger than the sum of its proper divisors (8884713794906).

11430211221142 is a wasteful number, since it uses less digits than its factorization.

11430211221142 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4094861 (or 4094854 counting only the distinct ones).

The product of its (nonzero) digits is 768, while the sum is 25.

Adding to 11430211221142 its reverse (24112211203411), we get a palindrome (35542422424553).

The spelling of 11430211221142 in words is "eleven trillion, four hundred thirty billion, two hundred eleven million, two hundred twenty-one thousand, one hundred forty-two".