10405220334211 has 4 divisors (see below), whose sum is σ = 10560522130312. Its totient is φ = 10249918538112.

The previous prime is 10405220334181. The next prime is 10405220334281. The reversal of 10405220334211 is 11243302250401.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 10405220334211 - 2²³ = 10405211945603 is a prime.

It is a super-3 number, since 3×10405220334211³ (a number of 40 digits) contains 333 as substring. Note that it is a super-d number also for d = 2.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 10405220334211.

It is not an unprimeable number, because it can be changed into a prime (10405220334281) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 77650897950 + ... + 77650898083.

It is an arithmetic number, because the mean of its divisors is an integer number (2640130532578).

Almost surely, 2^{10405220334211} is an apocalyptic number.

10405220334211 is a deficient number, since it is larger than the sum of its proper divisors (155301796101).

10405220334211 is an equidigital number, since it uses as much as digits as its factorization.

10405220334211 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 155301796100.

The product of its (nonzero) digits is 5760, while the sum is 28.

Adding to 10405220334211 its reverse (11243302250401), we get a palindrome (21648522584612).

The spelling of 10405220334211 in words is "ten trillion, four hundred five billion, two hundred twenty million, three hundred thirty-four thousand, two hundred eleven".