21230200113029 has 2 divisors, whose sum is σ = 21230200113030. Its totient is φ = 21230200113028.

The previous prime is 21230200113013. The next prime is 21230200113131. The reversal of 21230200113029 is 92031100203212.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 18623583405025 + 2606616708004 = 4315505^2 + 1614502^2 .

It is a cyclic number.

It is not a de Polignac number, because 21230200113029 - 2⁴ = 21230200113013 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 21230200112989 and 21230200113007.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (21230200113229) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 10615100056514 + 10615100056515.

It is an arithmetic number, because the mean of its divisors is an integer number (10615100056515).

Almost surely, 2^{21230200113029} is an apocalyptic number.

It is an amenable number.

21230200113029 is a deficient number, since it is larger than the sum of its proper divisors (1).

21230200113029 is an equidigital number, since it uses as much as digits as its factorization.

21230200113029 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 1296, while the sum is 26.

The spelling of 21230200113029 in words is "twenty-one trillion, two hundred thirty billion, two hundred million, one hundred thirteen thousand, twenty-nine".