144221211191 has 2 divisors, whose sum is σ = 144221211192. Its totient is φ = 144221211190.

The previous prime is 144221211187. The next prime is 144221211217. The reversal of 144221211191 is 191112122441.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 144221211191 - 2² = 144221211187 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (144221211151) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 72110605595 + 72110605596.

It is an arithmetic number, because the mean of its divisors is an integer number (72110605596).

Almost surely, 2^144221211191 is an apocalyptic number.

144221211191 is a deficient number, since it is larger than the sum of its proper divisors (1).

144221211191 is an equidigital number, since it uses as much as digits as its factorization.

144221211191 is an evil number, because the sum of its binary digits is even.

The product of its digits is 1152, while the sum is 29.

The spelling of 144221211191 in words is "one hundred forty-four billion, two hundred twenty-one million, two hundred eleven thousand, one hundred ninety-one".