11101222000020 has 48 divisors (see below), whose sum is σ = 31083774503040. Its totient is φ = 2960292256896.

The previous prime is 11101221999971. The next prime is 11101222000021. The reversal of 11101222000020 is 2000022210111.

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

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (11101222000021) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 4522894 + ... + 6531386.

It is an arithmetic number, because the mean of its divisors is an integer number (647578635480).

Almost surely, 2^{11101222000020} is an apocalyptic number.

11101222000020 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

11101222000020 is an abundant number, since it is smaller than the sum of its proper divisors (19982552503020).

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

11101222000020 is a wasteful number, since it uses less digits than its factorization.

11101222000020 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2100624 (or 2100622 counting only the distinct ones).

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

Adding to 11101222000020 its reverse (2000022210111), we get a palindrome (13101244210131).

The spelling of 11101222000020 in words is "eleven trillion, one hundred one billion, two hundred twenty-two million, twenty", and thus it is an aban number.