11210121220120 has 32 divisors (see below), whose sum is σ = 25253420173920. Its totient is φ = 4478600056320.

The previous prime is 11210121220087. The next prime is 11210121220127. The reversal of 11210121220120 is 2102212101211.

It is a junction number, because it is equal to n+sod(n) for n = 11210121220094 and 11210121220103.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (11210121220127) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 170230161 + ... + 170296000.

It is an arithmetic number, because the mean of its divisors is an integer number (789169380435).

Almost surely, 2^{11210121220120} is an apocalyptic number.

11210121220120 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

11210121220120 is an abundant number, since it is smaller than the sum of its proper divisors (14043298953800).

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

11210121220120 is a wasteful number, since it uses less digits than its factorization.

11210121220120 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 340526995 (or 340526991 counting only the distinct ones).

The product of its (nonzero) digits is 32, while the sum is 16.

Adding to 11210121220120 its reverse (2102212101211), we get a palindrome (13312333321331).

The spelling of 11210121220120 in words is "eleven trillion, two hundred ten billion, one hundred twenty-one million, two hundred twenty thousand, one hundred twenty".