144421012011 has 4 divisors (see below), whose sum is σ = 192561349352. Its totient is φ = 96280674672.

The previous prime is 144421011979. The next prime is 144421012037. The reversal of 144421012011 is 110210124441.

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

It is not a de Polignac number, because 144421012011 - 2⁵ = 144421011979 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (144423012011) 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, 24070168666 + ... + 24070168671.

It is an arithmetic number, because the mean of its divisors is an integer number (48140337338).

Almost surely, 2^144421012011 is an apocalyptic number.

144421012011 is a deficient number, since it is larger than the sum of its proper divisors (48140337341).

144421012011 is an equidigital number, since it uses as much as digits as its factorization.

144421012011 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 48140337340.

The product of its (nonzero) digits is 256, while the sum is 21.

Adding to 144421012011 its reverse (110210124441), we get a palindrome (254631136452).

The spelling of 144421012011 in words is "one hundred forty-four billion, four hundred twenty-one million, twelve thousand, eleven".