11110202122122 has 40 divisors (see below), whose sum is σ = 24904048281156. Its totient is φ = 3702066959808.

The previous prime is 11110202122093. The next prime is 11110202122141. The reversal of 11110202122122 is 22122120201111.

It can be written as a sum of positive squares in 2 ways, for example, as 9461954408841 + 1648247713281 = 3076029^2 + 1283841^2 .

It is a Harshad number since it is a multiple of its sum of digits (18).

It is a junction number, because it is equal to n+sod(n) for n = 11110202122095 and 11110202122104.

It is an unprimeable number.

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 19 ways as a sum of consecutive naturals, for example, 11898253 + ... + 12798000.

Almost surely, 2^{11110202122122} is an apocalyptic number.

11110202122122 is an abundant number, since it is smaller than the sum of its proper divisors (13793846159034).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

11110202122122 is a wasteful number, since it uses less digits than its factorization.

11110202122122 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 24699044 (or 24699035 counting only the distinct ones).

The product of its (nonzero) digits is 64, while the sum is 18.

Adding to 11110202122122 its reverse (22122120201111), we get a palindrome (33232322323233).

The spelling of 11110202122122 in words is "eleven trillion, one hundred ten billion, two hundred two million, one hundred twenty-two thousand, one hundred twenty-two".