130111221 has 8 divisors (see below), whose sum is σ = 182612320. Its totient is φ = 82175472.

The previous prime is 130111213. The next prime is 130111243. The reversal of 130111221 is 122111031.

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

It is not a de Polignac number, because 130111221 - 2³ = 130111213 is a prime.

It is a super-2 number, since 2×130111221² = 33857859660221682, which contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 130111197 and 130111206.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (130111271) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1141270 + ... + 1141383.

It is an arithmetic number, because the mean of its divisors is an integer number (22826540).

Almost surely, 2^130111221 is an apocalyptic number.

It is an amenable number.

130111221 is a deficient number, since it is larger than the sum of its proper divisors (52501099).

130111221 is a wasteful number, since it uses less digits than its factorization.

130111221 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2282675.

The product of its (nonzero) digits is 12, while the sum is 12.

The square root of 130111221 is about 11406.6305717333. The cubic root of 130111221 is about 506.7241281687.

Adding to 130111221 its reverse (122111031), we get a palindrome (252222252).

The spelling of 130111221 in words is "one hundred thirty million, one hundred eleven thousand, two hundred twenty-one".