11213131123204 has 6 divisors (see below), whose sum is σ = 19622979465614. Its totient is φ = 5606565561600.

The previous prime is 11213131123177. The next prime is 11213131123211. The reversal of 11213131123204 is 40232113131211.

It can be written as a sum of positive squares in only one way, i.e., 8364300252100 + 2848830871104 = 2892110^2 + 1687848^2 .

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1401641390397 + ... + 1401641390404.

Almost surely, 2^{11213131123204} is an apocalyptic number.

It is an amenable number.

11213131123204 is a deficient number, since it is larger than the sum of its proper divisors (8409848342410).

11213131123204 is a wasteful number, since it uses less digits than its factorization.

11213131123204 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2803282780805 (or 2803282780803 counting only the distinct ones).

The product of its (nonzero) digits is 864, while the sum is 25.

Adding to 11213131123204 its reverse (40232113131211), we get a palindrome (51445244254415).

The spelling of 11213131123204 in words is "eleven trillion, two hundred thirteen billion, one hundred thirty-one million, one hundred twenty-three thousand, two hundred four".