21044010151 has 2 divisors, whose sum is σ = 21044010152. Its totient is φ = 21044010150.

The previous prime is 21044010131. The next prime is 21044010157. The reversal of 21044010151 is 15101044012.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 21044010151 - 2¹³ = 21044001959 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (21044010157) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 10522005075 + 10522005076.

It is an arithmetic number, because the mean of its divisors is an integer number (10522005076).

Almost surely, 2^21044010151 is an apocalyptic number.

21044010151 is a deficient number, since it is larger than the sum of its proper divisors (1).

21044010151 is an equidigital number, since it uses as much as digits as its factorization.

21044010151 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 160, while the sum is 19.

Adding to 21044010151 its reverse (15101044012), we get a palindrome (36145054163).

The spelling of 21044010151 in words is "twenty-one billion, forty-four million, ten thousand, one hundred fifty-one".