21010212330201 has 12 divisors (see below), whose sum is σ = 32133265917012. Its totient is φ = 13182878324736.

The previous prime is 21010212330169. The next prime is 21010212330271. The reversal of 21010212330201 is 10203321201012.

21010212330201 is a `hidden beast` number, since 2 + 101 + 0 + 212 + 330 + 20 + 1 = 666.

It can be written as a sum of positive squares in 2 ways, for example, as 10668193088400 + 10342019241801 = 3266220^2 + 3215901^2 .

It is not a de Polignac number, because 21010212330201 - 2⁵ = 21010212330169 is a prime.

It is a super-3 number, since 3×21010212330201³ (a number of 41 digits) contains 333 as substring.

It is not an unprimeable number, because it can be changed into a prime (21010212330271) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 68660824456 + ... + 68660824761.

It is an arithmetic number, because the mean of its divisors is an integer number (2677772159751).

Almost surely, 2^{21010212330201} is an apocalyptic number.

It is an amenable number.

21010212330201 is a deficient number, since it is larger than the sum of its proper divisors (11123053586811).

21010212330201 is a wasteful number, since it uses less digits than its factorization.

21010212330201 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 137321649240 (or 137321649237 counting only the distinct ones).

The product of its (nonzero) digits is 144, while the sum is 18.

Adding to 21010212330201 its reverse (10203321201012), we get a palindrome (31213533531213).

The spelling of 21010212330201 in words is "twenty-one trillion, ten billion, two hundred twelve million, three hundred thirty thousand, two hundred one".