10505221411 has 8 divisors (see below), whose sum is σ = 11258240544. Its totient is φ = 9776891520.

The previous prime is 10505221367. The next prime is 10505221421. The reversal of 10505221411 is 11412250501.

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

It is not a de Polignac number, because 10505221411 - 2¹⁷ = 10505090339 is a prime.

It is a super-2 number, since 2×10505221411² (a number of 21 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (10505221421) 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, 6171430 + ... + 6173131.

It is an arithmetic number, because the mean of its divisors is an integer number (1407280068).

Almost surely, 2^10505221411 is an apocalyptic number.

10505221411 is a deficient number, since it is larger than the sum of its proper divisors (753019133).

10505221411 is a wasteful number, since it uses less digits than its factorization.

10505221411 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 12344621.

The product of its (nonzero) digits is 400, while the sum is 22.

Adding to 10505221411 its reverse (11412250501), we get a palindrome (21917471912).

The spelling of 10505221411 in words is "ten billion, five hundred five million, two hundred twenty-one thousand, four hundred eleven".