130221110249 has 4 divisors (see below), whose sum is σ = 130225365060. Its totient is φ = 130216855440.

The previous prime is 130221110233. The next prime is 130221110251. The reversal of 130221110249 is 942011122031.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 101885448025 + 28335662224 = 319195^2 + 168332^2 .

It is a cyclic number.

It is not a de Polignac number, because 130221110249 - 2⁴ = 130221110233 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (130221113249) 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, 2081162 + ... + 2142819.

It is an arithmetic number, because the mean of its divisors is an integer number (32556341265).

Almost surely, 2^130221110249 is an apocalyptic number.

It is an amenable number.

130221110249 is a deficient number, since it is larger than the sum of its proper divisors (4254811).

130221110249 is an equidigital number, since it uses as much as digits as its factorization.

130221110249 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4254810.

The product of its (nonzero) digits is 864, while the sum is 26.

The spelling of 130221110249 in words is "one hundred thirty billion, two hundred twenty-one million, one hundred ten thousand, two hundred forty-nine".