1123211011204 has 12 divisors (see below), whose sum is σ = 1965627230364. Its totient is φ = 561603231104.

The previous prime is 1123211011159. The next prime is 1123211011207. The reversal of 1123211011204 is 4021101123211.

It can be written as a sum of positive squares in 2 ways, for example, as 423863498304 + 699347512900 = 651048^2 + 836270^2 .

It is not an unprimeable number, because it can be changed into a prime (1123211011207) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1062144 + ... + 1837000.

It is an arithmetic number, because the mean of its divisors is an integer number (163802269197).

Almost surely, 2^{1123211011204} is an apocalyptic number.

It is an amenable number.

1123211011204 is a deficient number, since it is larger than the sum of its proper divisors (842416219160).

1123211011204 is a wasteful number, since it uses less digits than its factorization.

1123211011204 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1137254 (or 1137252 counting only the distinct ones).

The product of its (nonzero) digits is 96, while the sum is 19.

Adding to 1123211011204 its reverse (4021101123211), we get a palindrome (5144312134415).

The spelling of 1123211011204 in words is "one trillion, one hundred twenty-three billion, two hundred eleven million, eleven thousand, two hundred four".