11121122020220 has 24 divisors (see below), whose sum is σ = 24107722574208. Its totient is φ = 4304950459200.

The previous prime is 11121122020219. The next prime is 11121122020241. The reversal of 11121122020220 is 2202022112111.

11121122020220 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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, 8968646171 + ... + 8968647410.

It is an arithmetic number, because the mean of its divisors is an integer number (1004488440592).

Almost surely, 2^{11121122020220} is an apocalyptic number.

11121122020220 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

11121122020220 is an abundant number, since it is smaller than the sum of its proper divisors (12986600553988).

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

11121122020220 is a wasteful number, since it uses less digits than its factorization.

11121122020220 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 17937293621 (or 17937293619 counting only the distinct ones).

The product of its (nonzero) digits is 64, while the sum is 17.

Adding to 11121122020220 its reverse (2202022112111), we get a palindrome (13323144132331).

The spelling of 11121122020220 in words is "eleven trillion, one hundred twenty-one billion, one hundred twenty-two million, twenty thousand, two hundred twenty".