116210621 has 2 divisors, whose sum is σ = 116210622. Its totient is φ = 116210620.

The previous prime is 116210617. The next prime is 116210693. The reversal of 116210621 is 126012611.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 96727225 + 19483396 = 9835^2 + 4414^2 .

It is a cyclic number.

It is not a de Polignac number, because 116210621 - 2² = 116210617 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 116210593 and 116210602.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (116216621) 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, 58105310 + 58105311.

It is an arithmetic number, because the mean of its divisors is an integer number (58105311).

Almost surely, 2^116210621 is an apocalyptic number.

It is an amenable number.

116210621 is a deficient number, since it is larger than the sum of its proper divisors (1).

116210621 is an equidigital number, since it uses as much as digits as its factorization.

116210621 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 144, while the sum is 20.

The square root of 116210621 is about 10780.1030143501. The cubic root of 116210621 is about 487.9948895931.

The spelling of 116210621 in words is "one hundred sixteen million, two hundred ten thousand, six hundred twenty-one".