1123100202 has 32 divisors (see below), whose sum is σ = 2568143232. Its totient is φ = 320753664.

The previous prime is 1123100201. The next prime is 1123100221. The reversal of 1123100202 is 2020013211.

It is a super-2 number, since 2×1123100202² = 2522708127464881608, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (1123100201) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 148218 + ... + 155610.

It is an arithmetic number, because the mean of its divisors is an integer number (80254476).

Almost surely, 2^1123100202 is an apocalyptic number.

1123100202 is an abundant number, since it is smaller than the sum of its proper divisors (1445043030).

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

1123100202 is a wasteful number, since it uses less digits than its factorization.

1123100202 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 11022.

The product of its (nonzero) digits is 24, while the sum is 12.

The square root of 1123100202 is about 33512.6871796339. The cubic root of 1123100202 is about 1039.4561388412.

Adding to 1123100202 its reverse (2020013211), we get a palindrome (3143113413).

The spelling of 1123100202 in words is "one billion, one hundred twenty-three million, one hundred thousand, two hundred two".