11211202020120 has 32 divisors (see below), whose sum is σ = 33633606060720. Its totient is φ = 2989653872000.

The previous prime is 11211202020119. The next prime is 11211202020133. The reversal of 11211202020120 is 2102020211211.

It is a Harshad number since it is a multiple of its sum of digits (15).

It is a self number, because there is not a number n which added to its sum of digits gives 11211202020120.

It is a congruent number.

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, 46713341631 + ... + 46713341870.

Almost surely, 2^{11211202020120} is an apocalyptic number.

11211202020120 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

11211202020120 is an abundant number, since it is smaller than the sum of its proper divisors (22422404040600).

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

11211202020120 is a wasteful number, since it uses less digits than its factorization.

11211202020120 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 93426683515 (or 93426683511 counting only the distinct ones).

The product of its (nonzero) digits is 32, while the sum is 15.

Adding to 11211202020120 its reverse (2102020211211), we get a palindrome (13313222231331).

The spelling of 11211202020120 in words is "eleven trillion, two hundred eleven billion, two hundred two million, twenty thousand, one hundred twenty".