101344112621 has 2 divisors, whose sum is σ = 101344112622. Its totient is φ = 101344112620.

The previous prime is 101344112599. The next prime is 101344112629. The reversal of 101344112621 is 126211443101.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 69899956996 + 31444155625 = 264386^2 + 177325^2 .

It is an emirp because it is prime and its reverse (126211443101) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 101344112621 - 2¹⁴ = 101344096237 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (101344112629) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 50672056310 + 50672056311.

It is an arithmetic number, because the mean of its divisors is an integer number (50672056311).

Almost surely, 2^101344112621 is an apocalyptic number.

It is an amenable number.

101344112621 is a deficient number, since it is larger than the sum of its proper divisors (1).

101344112621 is an equidigital number, since it uses as much as digits as its factorization.

101344112621 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 1152, while the sum is 26.

Adding to 101344112621 its reverse (126211443101), we get a palindrome (227555555722).

The spelling of 101344112621 in words is "one hundred one billion, three hundred forty-four million, one hundred twelve thousand, six hundred twenty-one".