130122312221 has 32 divisors (see below), whose sum is σ = 146721369600. Its totient is φ = 114388908480.

The previous prime is 130122312211. The next prime is 130122312239. The reversal of 130122312221 is 122213221031.

It is not a de Polignac number, because 130122312221 - 2¹⁰ = 130122311197 is a prime.

It is a super-2 number, since 2×130122312221² (a number of 23 digits) contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 130122312193 and 130122312202.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (130122312211) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 38393795 + ... + 38397183.

It is an arithmetic number, because the mean of its divisors is an integer number (4585042800).

Almost surely, 2^130122312221 is an apocalyptic number.

130122312221 is a gapful number since it is divisible by the number (11) formed by its first and last digit.

It is an amenable number.

130122312221 is a deficient number, since it is larger than the sum of its proper divisors (16599057379).

130122312221 is a wasteful number, since it uses less digits than its factorization.

130122312221 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4409.

The product of its (nonzero) digits is 288, while the sum is 20.

Adding to 130122312221 its reverse (122213221031), we get a palindrome (252335533252).

The spelling of 130122312221 in words is "one hundred thirty billion, one hundred twenty-two million, three hundred twelve thousand, two hundred twenty-one".