11211020310120 has 32 divisors (see below), whose sum is σ = 33633060930720. Its totient is φ = 2989605416000.

The previous prime is 11211020310059. The next prime is 11211020310137. The reversal of 11211020310120 is 2101302011211.

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 11211020310120.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 46712584506 + ... + 46712584745.

It is an arithmetic number, because the mean of its divisors is an integer number (1051033154085).

Almost surely, 2^{11211020310120} is an apocalyptic number.

11211020310120 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

11211020310120 is an abundant number, since it is smaller than the sum of its proper divisors (22422040620600).

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

11211020310120 is a wasteful number, since it uses less digits than its factorization.

11211020310120 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 93425169265 (or 93425169261 counting only the distinct ones).

The product of its (nonzero) digits is 24, while the sum is 15.

Adding to 11211020310120 its reverse (2101302011211), we get a palindrome (13312322321331).

The spelling of 11211020310120 in words is "eleven trillion, two hundred eleven billion, twenty million, three hundred ten thousand, one hundred twenty".