21160120223263 has 8 divisors (see below), whose sum is σ = 24183038934560. Its totient is φ = 18137212610400.

The previous prime is 21160120223237. The next prime is 21160120223267. The reversal of 21160120223263 is 36232202106112.

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 21160120223263 - 2²⁹ = 21159583352351 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (21160120223267) 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, 1817653 + ... + 6754561.

It is an arithmetic number, because the mean of its divisors is an integer number (3022879866820).

Almost surely, 2^{21160120223263} is an apocalyptic number.

21160120223263 is a deficient number, since it is larger than the sum of its proper divisors (3022918711297).

21160120223263 is an equidigital number, since it uses as much as digits as its factorization.

21160120223263 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5549217.

The product of its (nonzero) digits is 10368, while the sum is 31.

Adding to 21160120223263 its reverse (36232202106112), we get a palindrome (57392322329375).

The spelling of 21160120223263 in words is "twenty-one trillion, one hundred sixty billion, one hundred twenty million, two hundred twenty-three thousand, two hundred sixty-three".