11212021210120 has 32 divisors (see below), whose sum is σ = 26554787078400. Its totient is φ = 4248765931968.

The previous prime is 11212021210109. The next prime is 11212021210133. The reversal of 11212021210120 is 2101212021211.

It is a junction number, because it is equal to n+sod(n) for n = 11212021210094 and 11212021210103.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 7376328984 + ... + 7376330503.

It is an arithmetic number, because the mean of its divisors is an integer number (829837096200).

Almost surely, 2^{11212021210120} is an apocalyptic number.

11212021210120 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

11212021210120 is an abundant number, since it is smaller than the sum of its proper divisors (15342765868280).

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

11212021210120 is a wasteful number, since it uses less digits than its factorization.

11212021210120 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 14752659517 (or 14752659513 counting only the distinct ones).

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

Adding to 11212021210120 its reverse (2101212021211), we get a palindrome (13313233231331).

The spelling of 11212021210120 in words is "eleven trillion, two hundred twelve billion, twenty-one million, two hundred ten thousand, one hundred twenty".