21302011233029 has 2 divisors, whose sum is σ = 21302011233030. Its totient is φ = 21302011233028.

The previous prime is 21302011232941. The next prime is 21302011233043. The reversal of 21302011233029 is 92033211020312.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 19651754980900 + 1650256252129 = 4433030^2 + 1284623^2 .

It is a cyclic number.

It is not a de Polignac number, because 21302011233029 - 2³⁶ = 21233291756293 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 21302011232992 and 21302011233010.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (21302011233059) 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, 10651005616514 + 10651005616515.

It is an arithmetic number, because the mean of its divisors is an integer number (10651005616515).

Almost surely, 2^{21302011233029} is an apocalyptic number.

It is an amenable number.

21302011233029 is a deficient number, since it is larger than the sum of its proper divisors (1).

21302011233029 is an equidigital number, since it uses as much as digits as its factorization.

21302011233029 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 3888, while the sum is 29.

The spelling of 21302011233029 in words is "twenty-one trillion, three hundred two billion, eleven million, two hundred thirty-three thousand, twenty-nine".