1121113130202 has 160 divisors (see below), whose sum is σ = 2742019079184. Its totient is φ = 340308864000.

The previous prime is 1121113130183. The next prime is 1121113130209. The reversal of 1121113130202 is 2020313111211.

It can be written as a sum of positive squares in 8 ways, for example, as 817127410401 + 303985719801 = 903951^2 + 551349^2 .

It is a super-2 number, since 2×1121113130202² (a number of 25 digits) contains 22 as substring.

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

It is not an unprimeable number, because it can be changed into a prime (1121113130209) by changing a digit.

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 79 ways as a sum of consecutive naturals, for example, 59761008 + ... + 59779764.

Almost surely, 2^{1121113130202} is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 1121113130202, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1371009539592).

1121113130202 is an abundant number, since it is smaller than the sum of its proper divisors (1620905948982).

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

1121113130202 is a wasteful number, since it uses less digits than its factorization.

1121113130202 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 19166 (or 19157 counting only the distinct ones).

The product of its (nonzero) digits is 72, while the sum is 18.

Adding to 1121113130202 its reverse (2020313111211), we get a palindrome (3141426241413).

The spelling of 1121113130202 in words is "one trillion, one hundred twenty-one billion, one hundred thirteen million, one hundred thirty thousand, two hundred two".