11100122220020 has 24 divisors (see below), whose sum is σ = 23315486882184. Its totient is φ = 4439052655616.

The previous prime is 11100122220001. The next prime is 11100122220053. The reversal of 11100122220020 is 2002222100111.

11100122220020 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 4 ways, for example, as 3202797012496 + 7897325207524 = 1789636^2 + 2810218^2 .

It is a junction number, because it is equal to n+sod(n) for n = 11100122219977 and 11100122220004.

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, 62173157 + ... + 62351436.

It is an arithmetic number, because the mean of its divisors is an integer number (971478620091).

Almost surely, 2^{11100122220020} is an apocalyptic number.

11100122220020 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

11100122220020 is an abundant number, since it is smaller than the sum of its proper divisors (12215364662164).

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

11100122220020 is a wasteful number, since it uses less digits than its factorization.

11100122220020 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 124529059 (or 124529057 counting only the distinct ones).

The product of its (nonzero) digits is 32, while the sum is 14.

Adding to 11100122220020 its reverse (2002222100111), we get a palindrome (13102344320131).

The spelling of 11100122220020 in words is "eleven trillion, one hundred billion, one hundred twenty-two million, two hundred twenty thousand, twenty".