11134121220 has 96 divisors (see below), whose sum is σ = 36462652800. Its totient is φ = 2812828032.

The previous prime is 11134121213. The next prime is 11134121261. The reversal of 11134121220 is 2212143111.

11134121220 is a `hidden beast` number, since 111 + 341 + 212 + 2 + 0 = 666.

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 = 11134121193 and 11134121202.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 532339 + ... + 552858.

It is an arithmetic number, because the mean of its divisors is an integer number (379819300).

Almost surely, 2^11134121220 is an apocalyptic number.

11134121220 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

11134121220 is an abundant number, since it is smaller than the sum of its proper divisors (25328531580).

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

11134121220 is a wasteful number, since it uses less digits than its factorization.

11134121220 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1085234 (or 1085226 counting only the distinct ones).

The product of its (nonzero) digits is 96, while the sum is 18.

Adding to 11134121220 its reverse (2212143111), we get a palindrome (13346264331).

The spelling of 11134121220 in words is "eleven billion, one hundred thirty-four million, one hundred twenty-one thousand, two hundred twenty".