130221101 has 16 divisors (see below), whose sum is σ = 138547200. Its totient is φ = 122145408.

The previous prime is 130221097. The next prime is 130221109. The reversal of 130221101 is 101122031.

It is a cyclic number.

It is not a de Polignac number, because 130221101 - 2² = 130221097 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (130221109) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 318185 + ... + 318593.

It is an arithmetic number, because the mean of its divisors is an integer number (8659200).

Almost surely, 2^130221101 is an apocalyptic number.

It is an amenable number.

130221101 is a deficient number, since it is larger than the sum of its proper divisors (8326099).

130221101 is a wasteful number, since it uses less digits than its factorization.

130221101 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 668.

The product of its (nonzero) digits is 12, while the sum is 11.

The square root of 130221101 is about 11411.4460521005. The cubic root of 130221101 is about 506.8667322689.

Adding to 130221101 its reverse (101122031), we get a palindrome (231343132).

The spelling of 130221101 in words is "one hundred thirty million, two hundred twenty-one thousand, one hundred one".