11100222100020 has 48 divisors (see below), whose sum is σ = 31081745640960. Its totient is φ = 2959952201856.

The previous prime is 11100222100003. The next prime is 11100222100027. The reversal of 11100222100020 is 2000122200111.

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 = 11100222099969 and 11100222100005.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (11100222100027) 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, 1664260 + ... + 4997019.

It is an arithmetic number, because the mean of its divisors is an integer number (647536367520).

Almost surely, 2^{11100222100020} is an apocalyptic number.

11100222100020 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

11100222100020 is an abundant number, since it is smaller than the sum of its proper divisors (19981523540940).

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

11100222100020 is a wasteful number, since it uses less digits than its factorization.

11100222100020 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6689064 (or 6689062 counting only the distinct ones).

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

Adding to 11100222100020 its reverse (2000122200111), we get a palindrome (13100344300131).

The spelling of 11100222100020 in words is "eleven trillion, one hundred billion, two hundred twenty-two million, one hundred thousand, twenty".