101440111321 has 2 divisors, whose sum is σ = 101440111322. Its totient is φ = 101440111320.

The previous prime is 101440111303. The next prime is 101440111387. The reversal of 101440111321 is 123111044101.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 90999358921 + 10440752400 = 301661^2 + 102180^2 .

It is a cyclic number.

It is not a de Polignac number, because 101440111321 - 2¹¹ = 101440109273 is a prime.

It is not a weakly prime, because it can be changed into another prime (101440181321) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 50720055660 + 50720055661.

It is an arithmetic number, because the mean of its divisors is an integer number (50720055661).

Almost surely, 2^101440111321 is an apocalyptic number.

It is an amenable number.

101440111321 is a deficient number, since it is larger than the sum of its proper divisors (1).

101440111321 is an equidigital number, since it uses as much as digits as its factorization.

101440111321 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 96, while the sum is 19.

Adding to 101440111321 its reverse (123111044101), we get a palindrome (224551155422).

The spelling of 101440111321 in words is "one hundred one billion, four hundred forty million, one hundred eleven thousand, three hundred twenty-one".