11202021312120 has 96 divisors (see below), whose sum is σ = 37390530640320. Its totient is φ = 2906470391040.

The previous prime is 11202021312109. The next prime is 11202021312149. The reversal of 11202021312120 is 2121312020211.

11202021312120 is a `hidden beast` number, since 1 + 120 + 202 + 131 + 212 + 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 = 11202021312093 and 11202021312102.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 420482976 + ... + 420509615.

It is an arithmetic number, because the mean of its divisors is an integer number (389484694170).

Almost surely, 2^{11202021312120} is an apocalyptic number.

11202021312120 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

11202021312120 is an abundant number, since it is smaller than the sum of its proper divisors (26188509328200).

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

11202021312120 is a wasteful number, since it uses less digits than its factorization.

11202021312120 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 840992645 (or 840992638 counting only the distinct ones).

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

Adding to 11202021312120 its reverse (2121312020211), we get a palindrome (13323333332331).

The spelling of 11202021312120 in words is "eleven trillion, two hundred two billion, twenty-one million, three hundred twelve thousand, one hundred twenty".