11100212212112 has 160 divisors (see below), whose sum is σ = 23581386123264. Its totient is φ = 5041970841600.

The previous prime is 11100212212091. The next prime is 11100212212189. The reversal of 11100212212112 is 21121221200111.

It is a super-2 number, since 2×11100212212112² (a number of 27 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (17).

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 210880037 + ... + 210932667.

Almost surely, 2^{11100212212112} is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 11100212212112, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (11790693061632).

11100212212112 is an abundant number, since it is smaller than the sum of its proper divisors (12481173911152).

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

11100212212112 is a wasteful number, since it uses less digits than its factorization.

11100212212112 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 52957 (or 52951 counting only the distinct ones).

The product of its (nonzero) digits is 32, while the sum is 17.

Adding to 11100212212112 its reverse (21121221200111), we get a palindrome (32221433412223).

The spelling of 11100212212112 in words is "eleven trillion, one hundred billion, two hundred twelve million, two hundred twelve thousand, one hundred twelve".