11121201112104 has 48 divisors (see below), whose sum is σ = 31891679663220. Its totient is φ = 3489004270080.

The previous prime is 11121201112081. The next prime is 11121201112169. The reversal of 11121201112104 is 40121110212111.

11121201112104 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in 2 ways, for example, as 11120210751204 + 990360900 = 3334698^2 + 31470^2 .

It is a super-2 number, since 2×11121201112104² (a number of 27 digits) contains 22 as substring.

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

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 4542973087 + ... + 4542975534.

Almost surely, 2^{11121201112104} is an apocalyptic number.

It is an amenable number.

11121201112104 is an abundant number, since it is smaller than the sum of its proper divisors (20770478551116).

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

11121201112104 is a wasteful number, since it uses less digits than its factorization.

11121201112104 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9085948650 (or 9085948643 counting only the distinct ones).

The product of its (nonzero) digits is 32, while the sum is 18.

Adding to 11121201112104 its reverse (40121110212111), we get a palindrome (51242311324215).

The spelling of 11121201112104 in words is "eleven trillion, one hundred twenty-one billion, two hundred one million, one hundred twelve thousand, one hundred four".