16811120122 has 8 divisors (see below), whose sum is σ = 25400743956. Its totient is φ = 8344205472.

The previous prime is 16811120119. The next prime is 16811120153. The reversal of 16811120122 is 22102111861.

It can be written as a sum of positive squares in 2 ways, for example, as 15527402881 + 1283717241 = 124609^2 + 35829^2 .

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

It is a super-2 number, since 2×16811120122² (a number of 21 digits) contains 22 as substring.

It is a zygodrome in base 4.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 30676953 + ... + 30677500.

Almost surely, 2^16811120122 is an apocalyptic number.

16811120122 is a deficient number, since it is larger than the sum of its proper divisors (8589623834).

16811120122 is a wasteful number, since it uses less digits than its factorization.

16811120122 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 61354592.

The product of its (nonzero) digits is 384, while the sum is 25.

Adding to 16811120122 its reverse (22102111861), we get a palindrome (38913231983).

The spelling of 16811120122 in words is "sixteen billion, eight hundred eleven million, one hundred twenty thousand, one hundred twenty-two".