21112211059 has 2 divisors, whose sum is σ = 21112211060. Its totient is φ = 21112211058.

The previous prime is 21112211051. The next prime is 21112211119. The reversal of 21112211059 is 95011221112.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 21112211059 - 2³ = 21112211051 is a prime.

It is not a weakly prime, because it can be changed into another prime (21112211051) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 10556105529 + 10556105530.

It is an arithmetic number, because the mean of its divisors is an integer number (10556105530).

Almost surely, 2^21112211059 is an apocalyptic number.

21112211059 is a deficient number, since it is larger than the sum of its proper divisors (1).

21112211059 is an equidigital number, since it uses as much as digits as its factorization.

21112211059 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 360, while the sum is 25.

The spelling of 21112211059 in words is "twenty-one billion, one hundred twelve million, two hundred eleven thousand, fifty-nine".