13405422122111 has 32 divisors (see below), whose sum is σ = 14467986677760. Its totient is φ = 12396866227200.

The previous prime is 13405422122051. The next prime is 13405422122149. The reversal of 13405422122111 is 11122122450431.

It is a cyclic number.

It is not a de Polignac number, because 13405422122111 - 2¹⁰ = 13405422121087 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 (13405422122711) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 14115050 + ... + 15034808.

It is an arithmetic number, because the mean of its divisors is an integer number (452124583680).

Almost surely, 2^{13405422122111} is an apocalyptic number.

13405422122111 is a deficient number, since it is larger than the sum of its proper divisors (1062564555649).

13405422122111 is a wasteful number, since it uses less digits than its factorization.

13405422122111 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 920055.

The product of its (nonzero) digits is 3840, while the sum is 29.

Adding to 13405422122111 its reverse (11122122450431), we get a palindrome (24527544572542).

The spelling of 13405422122111 in words is "thirteen trillion, four hundred five billion, four hundred twenty-two million, one hundred twenty-two thousand, one hundred eleven".