21201021011059 has 2 divisors, whose sum is σ = 21201021011060. Its totient is φ = 21201021011058.

The previous prime is 21201021011039. The next prime is 21201021011123. The reversal of 21201021011059 is 95011012010212.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 21201021011059 - 2²³ = 21201012622451 is a prime.

It is a super-2 number, since 2×21201021011059² (a number of 27 digits) contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (21201021011039) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 10600510505529 + 10600510505530.

It is an arithmetic number, because the mean of its divisors is an integer number (10600510505530).

Almost surely, 2^{21201021011059} is an apocalyptic number.

21201021011059 is a deficient number, since it is larger than the sum of its proper divisors (1).

21201021011059 is an equidigital number, since it uses as much as digits as its factorization.

21201021011059 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 21201021011059 in words is "twenty-one trillion, two hundred one billion, twenty-one million, eleven thousand, fifty-nine".