11121222202112 has 144 divisors (see below), whose sum is σ = 24501123640224. Its totient is φ = 4995993600000.

The previous prime is 11121222202067. The next prime is 11121222202157. The reversal of 11121222202112 is 21120222212111.

11121222202112 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is an interprime number because it is at equal distance from previous prime (11121222202067) and next prime (11121222202157).

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 158384612 + ... + 158454812.

It is an arithmetic number, because the mean of its divisors is an integer number (170146691946).

Almost surely, 2^{11121222202112} 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 11121222202112, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (12250561820112).

11121222202112 is an abundant number, since it is smaller than the sum of its proper divisors (13379901438112).

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

11121222202112 is a wasteful number, since it uses less digits than its factorization.

11121222202112 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 70886 (or 70872 counting only the distinct ones).

The product of its (nonzero) digits is 128, while the sum is 20.

Adding to 11121222202112 its reverse (21120222212111), we get a palindrome (32241444414223).

Subtracting 11121222202112 from its reverse (21120222212111), we obtain a palindrome (9999000009999).

The spelling of 11121222202112 in words is "eleven trillion, one hundred twenty-one billion, two hundred twenty-two million, two hundred two thousand, one hundred twelve".