11021121112120 has 64 divisors (see below), whose sum is σ = 28590822486720. Its totient is φ = 3745230526464.

The previous prime is 11021121112117. The next prime is 11021121112171. The reversal of 11021121112120 is 2121112112011.

It is a super-2 number, since 2×11021121112120² (a number of 27 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 11021121112094 and 11021121112103.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 174132727 + ... + 174196006.

It is an arithmetic number, because the mean of its divisors is an integer number (446731601355).

Almost surely, 2^{11021121112120} is an apocalyptic number.

11021121112120 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

11021121112120 is an abundant number, since it is smaller than the sum of its proper divisors (17569701374600).

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

11021121112120 is a wasteful number, since it uses less digits than its factorization.

11021121112120 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 348328864 (or 348328860 counting only the distinct ones).

The product of its (nonzero) digits is 16, while the sum is 16.

Adding to 11021121112120 its reverse (2121112112011), we get a palindrome (13142233224131).

The spelling of 11021121112120 in words is "eleven trillion, twenty-one billion, one hundred twenty-one million, one hundred twelve thousand, one hundred twenty".