11220020100120 has 192 divisors, whose sum is σ = 38592496357920. Its totient is φ = 2599389192192.

The previous prime is 11220020100097. The next prime is 11220020100131. The reversal of 11220020100120 is 2100102002211.

It is a Harshad number since it is a multiple of its sum of digits (12).

It is a junction number, because it is equal to n+sod(n) for n = 11220020100096 and 11220020100105.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 15927459 + ... + 16616978.

Almost surely, 2^{11220020100120} is an apocalyptic number.

11220020100120 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

11220020100120 is an abundant number, since it is smaller than the sum of its proper divisors (27372476257800).

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

11220020100120 is a wasteful number, since it uses less digits than its factorization.

11220020100120 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 32544494 (or 32544477 counting only the distinct ones).

The product of its (nonzero) digits is 16, while the sum is 12.

Adding to 11220020100120 its reverse (2100102002211), we get a palindrome (13320122102331).

The spelling of 11220020100120 in words is "eleven trillion, two hundred twenty billion, twenty million, one hundred thousand, one hundred twenty".