11011222220120 has 32 divisors (see below), whose sum is σ = 24775927989120. Its totient is φ = 4404368355840.

The previous prime is 11011222220101. The next prime is 11011222220137. The reversal of 11011222220120 is 2102222211011.

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, 2279432 + ... + 5217111.

It is an arithmetic number, because the mean of its divisors is an integer number (774247749660).

Almost surely, 2^{11011222220120} is an apocalyptic number.

11011222220120 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

11011222220120 is an abundant number, since it is smaller than the sum of its proper divisors (13764705769000).

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

11011222220120 is a wasteful number, since it uses less digits than its factorization.

11011222220120 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7533275 (or 7533271 counting only the distinct ones).

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

Adding to 11011222220120 its reverse (2102222211011), we get a palindrome (13113444431131).

The spelling of 11011222220120 in words is "eleven trillion, eleven billion, two hundred twenty-two million, two hundred twenty thousand, one hundred twenty".