11121112211202 has 144 divisors (see below), whose sum is σ = 28217722133952. Its totient is φ = 3156222283200.

The previous prime is 11121112211179. The next prime is 11121112211291. The reversal of 11121112211202 is 20211221112111.

It is a happy number.

11121112211202 is a `hidden beast` number, since 111 + 211 + 1 + 221 + 120 + 2 = 666.

11121112211202 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a Harshad number since it is a multiple of its sum of digits (18).

It is an unprimeable number.

It is a polite number, since it can be written in 71 ways as a sum of consecutive naturals, for example, 79054827 + ... + 79195377.

It is an arithmetic number, because the mean of its divisors is an integer number (195956403708).

Almost surely, 2^{11121112211202} is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 11121112211202, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (14108861066976).

11121112211202 is an abundant number, since it is smaller than the sum of its proper divisors (17096609922750).

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

11121112211202 is a wasteful number, since it uses less digits than its factorization.

11121112211202 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 141173 (or 141163 counting only the distinct ones).

The product of its (nonzero) digits is 32, while the sum is 18.

Adding to 11121112211202 its reverse (20211221112111), we get a palindrome (31332333323313).

The spelling of 11121112211202 in words is "eleven trillion, one hundred twenty-one billion, one hundred twelve million, two hundred eleven thousand, two hundred two".