21134286001 has 2 divisors, whose sum is σ = 21134286002. Its totient is φ = 21134286000.

The previous prime is 21134285993. The next prime is 21134286079. The reversal of 21134286001 is 10068243112.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 17842280625 + 3292005376 = 133575^2 + 57376^2 .

It is a cyclic number.

It is not a de Polignac number, because 21134286001 - 2³ = 21134285993 is a prime.

It is not a weakly prime, because it can be changed into another prime (21134286601) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 10567143000 + 10567143001.

It is an arithmetic number, because the mean of its divisors is an integer number (10567143001).

Almost surely, 2^21134286001 is an apocalyptic number.

It is an amenable number.

21134286001 is a deficient number, since it is larger than the sum of its proper divisors (1).

21134286001 is an equidigital number, since it uses as much as digits as its factorization.

21134286001 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 2304, while the sum is 28.

The spelling of 21134286001 in words is "twenty-one billion, one hundred thirty-four million, two hundred eighty-six thousand, one".