11102212210012 has 72 divisors (see below), whose sum is σ = 24672194749440. Its totient is φ = 4322619231840.

The previous prime is 11102212209989. The next prime is 11102212210013. The reversal of 11102212210012 is 21001221220111.

It is a super-2 number, since 2×11102212210012² (a number of 27 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (11102212210013) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 1461189 + ... + 4933507.

It is an arithmetic number, because the mean of its divisors is an integer number (342669371520).

Almost surely, 2^{11102212210012} 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 11102212210012, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (12336097374720).

11102212210012 is an abundant number, since it is smaller than the sum of its proper divisors (13569982539428).

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

11102212210012 is a wasteful number, since it uses less digits than its factorization.

11102212210012 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3473831 (or 3473822 counting only the distinct ones).

The product of its (nonzero) digits is 32, while the sum is 16.

Adding to 11102212210012 its reverse (21001221220111), we get a palindrome (32103433430123).

It can be divided in two parts, 1110221 and 2210012, that added together give a palindrome (3320233).

The spelling of 11102212210012 in words is "eleven trillion, one hundred two billion, two hundred twelve million, two hundred ten thousand, twelve".