130033023221 has 4 divisors (see below), whose sum is σ = 133547429292. Its totient is φ = 126518617152.

The previous prime is 130033023217. The next prime is 130033023227. The reversal of 130033023221 is 122320330031.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 122320330031 = 2719 ⋅44987249.

It can be written as a sum of positive squares in 2 ways, for example, as 106259700625 + 23773322596 = 325975^2 + 154186^2 .

It is a cyclic number.

It is not a de Polignac number, because 130033023221 - 2² = 130033023217 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 130033023193 and 130033023202.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (130033023227) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1757202980 + ... + 1757203053.

It is an arithmetic number, because the mean of its divisors is an integer number (33386857323).

Almost surely, 2^130033023221 is an apocalyptic number.

It is an amenable number.

130033023221 is a deficient number, since it is larger than the sum of its proper divisors (3514406071).

130033023221 is an equidigital number, since it uses as much as digits as its factorization.

130033023221 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3514406070.

The product of its (nonzero) digits is 648, while the sum is 20.

Adding to 130033023221 its reverse (122320330031), we get a palindrome (252353353252).

The spelling of 130033023221 in words is "one hundred thirty billion, thirty-three million, twenty-three thousand, two hundred twenty-one".