11100001112220 has 192 divisors, whose sum is σ = 32196890678400. Its totient is φ = 2855113961472.

The previous prime is 11100001112219. The next prime is 11100001112281. The reversal of 11100001112220 is 2221110000111.

It is a super-3 number, since 3×11100001112220³ (a number of 40 digits) contains 333 as substring.

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 = 11100001112196 and 11100001112205.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 133995534 + ... + 134078346.

It is an arithmetic number, because the mean of its divisors is an integer number (167692138950).

Almost surely, 2^{11100001112220} is an apocalyptic number.

11100001112220 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 11100001112220, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (16098445339200).

11100001112220 is an abundant number, since it is smaller than the sum of its proper divisors (21096889566180).

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

11100001112220 is a wasteful number, since it uses less digits than its factorization.

11100001112220 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 83384 (or 83382 counting only the distinct ones).

The product of its (nonzero) digits is 8, while the sum is 12.

Adding to 11100001112220 its reverse (2221110000111), we get a palindrome (13321111112331).

The spelling of 11100001112220 in words is "eleven trillion, one hundred billion, one million, one hundred twelve thousand, two hundred twenty".