11012102100220 has 48 divisors (see below), whose sum is σ = 24909333644160. Its totient is φ = 4065183876096.

The previous prime is 11012102100187. The next prime is 11012102100221. The reversal of 11012102100220 is 2200120121011.

It is a Harshad number since it is a multiple of its sum of digits (13).

It is a self number, because there is not a number n which added to its sum of digits gives 11012102100220.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (11012102100221) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 2999085 + ... + 5569444.

It is an arithmetic number, because the mean of its divisors is an integer number (518944450920).

Almost surely, 2^{11012102100220} is an apocalyptic number.

11012102100220 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

11012102100220 is an abundant number, since it is smaller than the sum of its proper divisors (13897231543940).

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

11012102100220 is a wasteful number, since it uses less digits than its factorization.

11012102100220 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8573494 (or 8573492 counting only the distinct ones).

The product of its (nonzero) digits is 16, while the sum is 13.

Adding to 11012102100220 its reverse (2200120121011), we get a palindrome (13212222221231).

The spelling of 11012102100220 in words is "eleven trillion, twelve billion, one hundred two million, one hundred thousand, two hundred twenty".