1142214221243 has 2 divisors, whose sum is σ = 1142214221244. Its totient is φ = 1142214221242.

The previous prime is 1142214221219. The next prime is 1142214221249. The reversal of 1142214221243 is 3421224122411.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-1142214221243 is a prime.

It is not a weakly prime, because it can be changed into another prime (1142214221249) by changing a digit.

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 as a sum of consecutive naturals, namely, 571107110621 + 571107110622.

It is an arithmetic number, because the mean of its divisors is an integer number (571107110622).

Almost surely, 2^{1142214221243} is an apocalyptic number.

1142214221243 is a deficient number, since it is larger than the sum of its proper divisors (1).

1142214221243 is an equidigital number, since it uses as much as digits as its factorization.

1142214221243 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 6144, while the sum is 29.

Adding to 1142214221243 its reverse (3421224122411), we get a palindrome (4563438343654).

The spelling of 1142214221243 in words is "one trillion, one hundred forty-two billion, two hundred fourteen million, two hundred twenty-one thousand, two hundred forty-three".