11101210113220 has 12 divisors (see below), whose sum is σ = 23312541237804. Its totient is φ = 4440484045280.

The previous prime is 11101210113211. The next prime is 11101210113221. The reversal of 11101210113220 is 2231101210111.

It is a happy number.

11101210113220 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in 2 ways, for example, as 2236394629764 + 8864815483456 = 1495458^2 + 2977384^2 .

It is a junction number, because it is equal to n+sod(n) for n = 11101210113194 and 11101210113203.

It is not an unprimeable number, because it can be changed into a prime (11101210113221) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 277530252811 + ... + 277530252850.

It is an arithmetic number, because the mean of its divisors is an integer number (1942711769817).

Almost surely, 2^{11101210113220} is an apocalyptic number.

11101210113220 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

11101210113220 is an abundant number, since it is smaller than the sum of its proper divisors (12211331124584).

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

11101210113220 is a wasteful number, since it uses less digits than its factorization.

11101210113220 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 555060505670 (or 555060505668 counting only the distinct ones).

The product of its (nonzero) digits is 24, while the sum is 16.

Adding to 11101210113220 its reverse (2231101210111), we get a palindrome (13332311323331).

The spelling of 11101210113220 in words is "eleven trillion, one hundred one billion, two hundred ten million, one hundred thirteen thousand, two hundred twenty".