1144222042011 has 4 divisors (see below), whose sum is σ = 1525629389352. Its totient is φ = 762814694672.

The previous prime is 1144222041979. The next prime is 1144222042013. The reversal of 1144222042011 is 1102402224411.

It is a happy number.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 1144222042011 - 2⁵ = 1144222041979 is a prime.

It is not an unprimeable number, because it can be changed into a prime (1144222042013) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 190703673666 + ... + 190703673671.

It is an arithmetic number, because the mean of its divisors is an integer number (381407347338).

Almost surely, 2^{1144222042011} is an apocalyptic number.

1144222042011 is a deficient number, since it is larger than the sum of its proper divisors (381407347341).

1144222042011 is an equidigital number, since it uses as much as digits as its factorization.

1144222042011 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 381407347340.

The product of its (nonzero) digits is 1024, while the sum is 24.

Adding to 1144222042011 its reverse (1102402224411), we get a palindrome (2246624266422).

The spelling of 1144222042011 in words is "one trillion, one hundred forty-four billion, two hundred twenty-two million, forty-two thousand, eleven".