144221011132231 has 12 divisors (see below), whose sum is σ = 159734027614392. Its totient is φ = 130109170334000.

The previous prime is 144221011132223. The next prime is 144221011132277. The reversal of 144221011132231 is 132231110122441.

It is not a de Polignac number, because 144221011132231 - 2³ = 144221011132223 is a prime.

It is a super-2 number, since 2×144221011132231² (a number of 29 digits) contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 144221011132231.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (144221011132201) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 4549255840 + ... + 4549287541.

It is an arithmetic number, because the mean of its divisors is an integer number (13311168967866).

Almost surely, 2^{144221011132231} is an apocalyptic number.

144221011132231 is a gapful number since it is divisible by the number (11) formed by its first and last digit.

144221011132231 is a deficient number, since it is larger than the sum of its proper divisors (15513016482161).

144221011132231 is a wasteful number, since it uses less digits than its factorization.

144221011132231 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9098543534 (or 9098543523 counting only the distinct ones).

The product of its (nonzero) digits is 2304, while the sum is 28.

Adding to 144221011132231 its reverse (132231110122441), we get a palindrome (276452121254672).

The spelling of 144221011132231 in words is "one hundred forty-four trillion, two hundred twenty-one billion, eleven million, one hundred thirty-two thousand, two hundred thirty-one".