130215140422521 has 96 divisors (see below), whose sum is σ = 225035604338688. Its totient is φ = 65063310305280.

The previous prime is 130215140422489. The next prime is 130215140422541. The reversal of 130215140422521 is 125224041512031.

It is not a de Polignac number, because 130215140422521 - 2⁵ = 130215140422489 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (33).

It is not an unprimeable number, because it can be changed into a prime (130215140422541) by changing a digit.

It is a polite number, since it can be written in 95 ways as a sum of consecutive naturals, for example, 49818985 + ... + 52367561.

It is an arithmetic number, because the mean of its divisors is an integer number (2344120878528).

Almost surely, 2^{130215140422521} is an apocalyptic number.

130215140422521 is a gapful number since it is divisible by the number (11) formed by its first and last digit.

It is an amenable number.

130215140422521 is a deficient number, since it is larger than the sum of its proper divisors (94820463916167).

130215140422521 is a wasteful number, since it uses less digits than its factorization.

130215140422521 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2548919 (or 2548890 counting only the distinct ones).

The product of its (nonzero) digits is 19200, while the sum is 33.

Adding to 130215140422521 its reverse (125224041512031), we get a palindrome (255439181934552).

The spelling of 130215140422521 in words is "one hundred thirty trillion, two hundred fifteen billion, one hundred forty million, four hundred twenty-two thousand, five hundred twenty-one".