21101120059 has 2 divisors, whose sum is σ = 21101120060. Its totient is φ = 21101120058.

The previous prime is 21101120039. The next prime is 21101120101. The reversal of 21101120059 is 95002110112.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 21101120059 - 2⁹ = 21101119547 is a prime.

It is not a weakly prime, because it can be changed into another prime (21101120039) 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, 10550560029 + 10550560030.

It is an arithmetic number, because the mean of its divisors is an integer number (10550560030).

Almost surely, 2^21101120059 is an apocalyptic number.

21101120059 is a deficient number, since it is larger than the sum of its proper divisors (1).

21101120059 is an equidigital number, since it uses as much as digits as its factorization.

21101120059 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 180, while the sum is 22.

The spelling of 21101120059 in words is "twenty-one billion, one hundred one million, one hundred twenty thousand, fifty-nine".