130434221012221 has 32 divisors (see below), whose sum is σ = 157958062682112. Its totient is φ = 105143142424320.

The previous prime is 130434221012219. The next prime is 130434221012257. The reversal of 130434221012221 is 122210122434031.

It is not a de Polignac number, because 130434221012221 - 2¹ = 130434221012219 is a prime.

It is a super-2 number, since 2×130434221012221² (a number of 29 digits) contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 130434221012221.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (130434221012281) 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, 990541216 + ... + 990672886.

It is an arithmetic number, because the mean of its divisors is an integer number (4936189458816).

Almost surely, 2^{130434221012221} is an apocalyptic number.

It is an amenable number.

130434221012221 is a deficient number, since it is larger than the sum of its proper divisors (27523841669891).

130434221012221 is a wasteful number, since it uses less digits than its factorization.

130434221012221 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 138049.

The product of its (nonzero) digits is 4608, while the sum is 28.

Adding to 130434221012221 its reverse (122210122434031), we get a palindrome (252644343446252).

The spelling of 130434221012221 in words is "one hundred thirty trillion, four hundred thirty-four billion, two hundred twenty-one million, twelve thousand, two hundred twenty-one".