1142220304211 has 16 divisors (see below), whose sum is σ = 1362221644800. Its totient is φ = 936430136928.

The previous prime is 1142220304157. The next prime is 1142220304273. The reversal of 1142220304211 is 1124030222411.

It is a cyclic number.

It is not a de Polignac number, because 1142220304211 - 2¹⁰ = 1142220303187 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (23).

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1142220304811) 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, 3108650 + ... + 3456608.

It is an arithmetic number, because the mean of its divisors is an integer number (85138852800).

Almost surely, 2^{1142220304211} is an apocalyptic number.

1142220304211 is a deficient number, since it is larger than the sum of its proper divisors (220001340589).

1142220304211 is a wasteful number, since it uses less digits than its factorization.

1142220304211 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 368378.

The product of its (nonzero) digits is 768, while the sum is 23.

Adding to 1142220304211 its reverse (1124030222411), we get a palindrome (2266250526622).

The spelling of 1142220304211 in words is "one trillion, one hundred forty-two billion, two hundred twenty million, three hundred four thousand, two hundred eleven".