11011120122020 has 24 divisors (see below), whose sum is σ = 23129353807224. Its totient is φ = 4403304896256.

The previous prime is 11011120121977. The next prime is 11011120122071. The reversal of 11011120122020 is 2022102111011.

It can be written as a sum of positive squares in 4 ways, for example, as 6859925769316 + 4151194352704 = 2619146^2 + 2037448^2 .

It is a junction number, because it is equal to n+sod(n) for n = 11011120121986 and 11011120122004.

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, 71368049 + ... + 71522168.

It is an arithmetic number, because the mean of its divisors is an integer number (963723075301).

Almost surely, 2^{11011120122020} is an apocalyptic number.

11011120122020 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

11011120122020 is an abundant number, since it is smaller than the sum of its proper divisors (12118233685204).

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

11011120122020 is a wasteful number, since it uses less digits than its factorization.

11011120122020 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 142894079 (or 142894077 counting only the distinct ones).

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

Adding to 11011120122020 its reverse (2022102111011), we get a palindrome (13033222233031).

The spelling of 11011120122020 in words is "eleven trillion, eleven billion, one hundred twenty million, one hundred twenty-two thousand, twenty".