2140044321101 has 2 divisors, whose sum is σ = 2140044321102. Its totient is φ = 2140044321100.

The previous prime is 2140044321097. The next prime is 2140044321131. The reversal of 2140044321101 is 1011234400412.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 1293508155625 + 846536165476 = 1137325^2 + 920074^2 .

It is a cyclic number.

It is not a de Polignac number, because 2140044321101 - 2² = 2140044321097 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (2140044321131) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1070022160550 + 1070022160551.

It is an arithmetic number, because the mean of its divisors is an integer number (1070022160551).

Almost surely, 2^{2140044321101} is an apocalyptic number.

It is an amenable number.

2140044321101 is a deficient number, since it is larger than the sum of its proper divisors (1).

2140044321101 is an equidigital number, since it uses as much as digits as its factorization.

2140044321101 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 768, while the sum is 23.

Adding to 2140044321101 its reverse (1011234400412), we get a palindrome (3151278721513).

The spelling of 2140044321101 in words is "two trillion, one hundred forty billion, forty-four million, three hundred twenty-one thousand, one hundred one".