11011120221020 has 24 divisors (see below), whose sum is σ = 23144053811424. Its totient is φ = 4400504974656.

The previous prime is 11011120220993. The next prime is 11011120221053. The reversal of 11011120221020 is 2012202111011.

11011120221020 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a junction number, because it is equal to n+sod(n) for n = 11011120220986 and 11011120221004.

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, 246421712 + ... + 246466391.

It is an arithmetic number, because the mean of its divisors is an integer number (964335575476).

Almost surely, 2^{11011120221020} is an apocalyptic number.

11011120221020 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

11011120221020 is an abundant number, since it is smaller than the sum of its proper divisors (12132933590404).

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

11011120221020 is a wasteful number, since it uses less digits than its factorization.

11011120221020 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 492889229 (or 492889227 counting only the distinct ones).

The product of its (nonzero) digits is 16, while the sum is 14.

Adding to 11011120221020 its reverse (2012202111011), we get a palindrome (13023322332031).

The spelling of 11011120221020 in words is "eleven trillion, eleven billion, one hundred twenty million, two hundred twenty-one thousand, twenty".