130201231021 has 8 divisors (see below), whose sum is σ = 133573910904. Its totient is φ = 126837934080.

The previous prime is 130201231007. The next prime is 130201231033. The reversal of 130201231021 is 120132102031.

It can be written as a sum of positive squares in 4 ways, for example, as 1954877796 + 128246353225 = 44214^2 + 358115^2 .

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 130201231021 - 2⁵ = 130201230989 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 130201230986 and 130201231004.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (130201231051) 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, 2317620 + ... + 2373133.

It is an arithmetic number, because the mean of its divisors is an integer number (16696738863).

Almost surely, 2^130201231021 is an apocalyptic number.

It is an amenable number.

130201231021 is a deficient number, since it is larger than the sum of its proper divisors (3372679883).

130201231021 is an equidigital number, since it uses as much as digits as its factorization.

130201231021 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4691471.

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

Adding to 130201231021 its reverse (120132102031), we get a palindrome (250333333052).

The spelling of 130201231021 in words is "one hundred thirty billion, two hundred one million, two hundred thirty-one thousand, twenty-one".