11001020122220 has 24 divisors (see below), whose sum is σ = 23203024983600. Its totient is φ = 4381192291392.

The previous prime is 11001020122217. The next prime is 11001020122231. The reversal of 11001020122220 is 2222102010011.

It is a junction number, because it is equal to n+sod(n) for n = 11001020122195 and 11001020122204.

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, 1200980150 + ... + 1200989309.

It is an arithmetic number, because the mean of its divisors is an integer number (966792707650).

Almost surely, 2^{11001020122220} is an apocalyptic number.

11001020122220 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

11001020122220 is an abundant number, since it is smaller than the sum of its proper divisors (12202004861380).

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

11001020122220 is a wasteful number, since it uses less digits than its factorization.

11001020122220 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2401969697 (or 2401969695 counting only the distinct ones).

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

Adding to 11001020122220 its reverse (2222102010011), we get a palindrome (13223122132231).

The spelling of 11001020122220 in words is "eleven trillion, one billion, twenty million, one hundred twenty-two thousand, two hundred twenty".