11021201100120 has 64 divisors (see below), whose sum is σ = 33150842496000. Its totient is φ = 2931232364928.

The previous prime is 11021201100113. The next prime is 11021201100197. The reversal of 11021201100120 is 2100110212011.

It is a Harshad number since it is a multiple of its sum of digits (12).

It is a junction number, because it is equal to n+sod(n) for n = 11021201100096 and 11021201100105.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 121119880 + ... + 121210839.

It is an arithmetic number, because the mean of its divisors is an integer number (517981914000).

Almost surely, 2^{11021201100120} is an apocalyptic number.

11021201100120 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

11021201100120 is an abundant number, since it is smaller than the sum of its proper divisors (22129641395880).

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

11021201100120 is a wasteful number, since it uses less digits than its factorization.

11021201100120 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 242331112 (or 242331108 counting only the distinct ones).

The product of its (nonzero) digits is 8, while the sum is 12.

Adding to 11021201100120 its reverse (2100110212011), we get a palindrome (13121311312131).

The spelling of 11021201100120 in words is "eleven trillion, twenty-one billion, two hundred one million, one hundred thousand, one hundred twenty".