1123321100202 has 48 divisors (see below), whose sum is σ = 2781626095872. Its totient is φ = 320940914400.

The previous prime is 1123321100201. The next prime is 1123321100351. The reversal of 1123321100202 is 2020011233211.

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 (1123321100201) 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, 6581263 + ... + 6749789.

It is an arithmetic number, because the mean of its divisors is an integer number (57950543664).

Almost surely, 2^{1123321100202} is an apocalyptic number.

1123321100202 is an abundant number, since it is smaller than the sum of its proper divisors (1658304995670).

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

1123321100202 is a wasteful number, since it uses less digits than its factorization.

1123321100202 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 221443 (or 221440 counting only the distinct ones).

The product of its (nonzero) digits is 144, while the sum is 18.

Adding to 1123321100202 its reverse (2020011233211), we get a palindrome (3143332333413).

The spelling of 1123321100202 in words is "one trillion, one hundred twenty-three billion, three hundred twenty-one million, one hundred thousand, two hundred two".