130011231021 has 12 divisors (see below), whose sum is σ = 201650072832. Its totient is φ = 74292131928.

The previous prime is 130011231017. The next prime is 130011231023. The reversal of 130011231021 is 120132110031.

It is a happy number.

It is not a de Polignac number, because 130011231021 - 2² = 130011231017 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (130011231023) 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, 442214925 + ... + 442215218.

It is an arithmetic number, because the mean of its divisors is an integer number (16804172736).

Almost surely, 2^130011231021 is an apocalyptic number.

It is an amenable number.

130011231021 is a deficient number, since it is larger than the sum of its proper divisors (71638841811).

130011231021 is an equidigital number, since it uses as much as digits as its factorization.

130011231021 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 884430160 (or 884430153 counting only the distinct ones).

The product of its (nonzero) digits is 36, while the sum is 15.

Adding to 130011231021 its reverse (120132110031), we get a palindrome (250143341052).

The spelling of 130011231021 in words is "one hundred thirty billion, eleven million, two hundred thirty-one thousand, twenty-one".