11122001121020 has 48 divisors (see below), whose sum is σ = 25068865112928. Its totient is φ = 4129748674560.

The previous prime is 11122001121019. The next prime is 11122001121029. The reversal of 11122001121020 is 2012110022111.

It is a junction number, because it is equal to n+sod(n) for n = 11122001120986 and 11122001121004.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (11122001121029) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 224028386 + ... + 224078025.

It is an arithmetic number, because the mean of its divisors is an integer number (522268023186).

Almost surely, 2^{11122001121020} is an apocalyptic number.

11122001121020 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

11122001121020 is an abundant number, since it is smaller than the sum of its proper divisors (13946863991908).

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

11122001121020 is a wasteful number, since it uses less digits than its factorization.

11122001121020 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 448106510 (or 448106508 counting only the distinct ones).

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

Adding to 11122001121020 its reverse (2012110022111), we get a palindrome (13134111143131).

The spelling of 11122001121020 in words is "eleven trillion, one hundred twenty-two billion, one million, one hundred twenty-one thousand, twenty".