21230201031001 has 2 divisors, whose sum is σ = 21230201031002. Its totient is φ = 21230201031000.

The previous prime is 21230201030981. The next prime is 21230201031059. The reversal of 21230201031001 is 10013010203212.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 15467104614976 + 5763096416025 = 3932824^2 + 2400645^2 .

It is a cyclic number.

It is not a de Polignac number, because 21230201031001 - 2³¹ = 21228053547353 is a prime.

It is a super-3 number, since 3×21230201031001³ (a number of 41 digits) contains 333 as substring.

It is not a weakly prime, because it can be changed into another prime (21230201034001) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 10615100515500 + 10615100515501.

It is an arithmetic number, because the mean of its divisors is an integer number (10615100515501).

Almost surely, 2^{21230201031001} is an apocalyptic number.

It is an amenable number.

21230201031001 is a deficient number, since it is larger than the sum of its proper divisors (1).

21230201031001 is an equidigital number, since it uses as much as digits as its factorization.

21230201031001 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 72, while the sum is 16.

Adding to 21230201031001 its reverse (10013010203212), we get a palindrome (31243211234213).

The spelling of 21230201031001 in words is "twenty-one trillion, two hundred thirty billion, two hundred one million, thirty-one thousand, one".