21301100741 has 2 divisors, whose sum is σ = 21301100742. Its totient is φ = 21301100740.

The previous prime is 21301100729. The next prime is 21301100747. The reversal of 21301100741 is 14700110312.

It is a happy number.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 14915492641 + 6385608100 = 122129^2 + 79910^2 .

It is a cyclic number.

It is not a de Polignac number, because 21301100741 - 2¹⁸ = 21300838597 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (21301100747) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 10650550370 + 10650550371.

It is an arithmetic number, because the mean of its divisors is an integer number (10650550371).

Almost surely, 2^21301100741 is an apocalyptic number.

It is an amenable number.

21301100741 is a deficient number, since it is larger than the sum of its proper divisors (1).

21301100741 is an equidigital number, since it uses as much as digits as its factorization.

21301100741 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 168, while the sum is 20.

The spelling of 21301100741 in words is "twenty-one billion, three hundred one million, one hundred thousand, seven hundred forty-one".