21530120314035 has 8 divisors (see below), whose sum is σ = 34448192502480. Its totient is φ = 11482730834144.

The previous prime is 21530120313997. The next prime is 21530120314037. The reversal of 21530120314035 is 53041302103512.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 21530120314035 - 2⁷ = 21530120313907 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 21530120313993 and 21530120314011.

It is not an unprimeable number, because it can be changed into a prime (21530120314037) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 717670677120 + ... + 717670677149.

It is an arithmetic number, because the mean of its divisors is an integer number (4306024062810).

Almost surely, 2^{21530120314035} is an apocalyptic number.

21530120314035 is a deficient number, since it is larger than the sum of its proper divisors (12918072188445).

21530120314035 is a wasteful number, since it uses less digits than its factorization.

21530120314035 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1435341354277.

The product of its (nonzero) digits is 10800, while the sum is 30.

Adding to 21530120314035 its reverse (53041302103512), we get a palindrome (74571422417547).

The spelling of 21530120314035 in words is "twenty-one trillion, five hundred thirty billion, one hundred twenty million, three hundred fourteen thousand, thirty-five".