201130021231 has 8 divisors (see below), whose sum is σ = 209950876800. Its totient is φ = 192454965120.

The previous prime is 201130021219. The next prime is 201130021237. The reversal of 201130021231 is 132120031102.

201130021231 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 201130021231 - 2²¹ = 201127924079 is a prime.

It is a super-2 number, since 2×201130021231² (a number of 23 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (201130021237) 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 in 7 ways as a sum of consecutive naturals, for example, 36447046 + ... + 36452563.

It is an arithmetic number, because the mean of its divisors is an integer number (26243859600).

Almost surely, 2^201130021231 is an apocalyptic number.

201130021231 is a deficient number, since it is larger than the sum of its proper divisors (8820855569).

201130021231 is an equidigital number, since it uses as much as digits as its factorization.

201130021231 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 72899729.

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

Adding to 201130021231 its reverse (132120031102), we get a palindrome (333250052333).

The spelling of 201130021231 in words is "two hundred one billion, one hundred thirty million, twenty-one thousand, two hundred thirty-one".