1302111130221 has 24 divisors (see below), whose sum is σ = 2052874343520. Its totient is φ = 788749466400.

The previous prime is 1302111130163. The next prime is 1302111130259. The reversal of 1302111130221 is 1220311112031.

1302111130221 is a `hidden beast` number, since 1 + 302 + 1 + 11 + 130 + 221 = 666.

It is not a de Polignac number, because 1302111130221 - 2¹⁸ = 1302110868077 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 1302111130194 and 1302111130203.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1302111130291) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 3214486 + ... + 3596823.

It is an arithmetic number, because the mean of its divisors is an integer number (85536430980).

Almost surely, 2^{1302111130221} is an apocalyptic number.

1302111130221 is a gapful number since it is divisible by the number (11) formed by its first and last digit.

It is an amenable number.

1302111130221 is a deficient number, since it is larger than the sum of its proper divisors (750763213299).

1302111130221 is a wasteful number, since it uses less digits than its factorization.

1302111130221 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6813257 (or 6813254 counting only the distinct ones).

The product of its (nonzero) digits is 72, while the sum is 18.

Adding to 1302111130221 its reverse (1220311112031), we get a palindrome (2522422242252).

The spelling of 1302111130221 in words is "one trillion, three hundred two billion, one hundred eleven million, one hundred thirty thousand, two hundred twenty-one".