11231001204 has 12 divisors (see below), whose sum is σ = 26205669504. Its totient is φ = 3743667064.

The previous prime is 11231001179. The next prime is 11231001211. The reversal of 11231001204 is 40210013211.

It is a tau number, because it is divible by the number of its divisors (12).

It is a super-2 number, since 2×11231001204² (a number of 21 digits) contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 467958372 + ... + 467958395.

It is an arithmetic number, because the mean of its divisors is an integer number (2183805792).

Almost surely, 2^11231001204 is an apocalyptic number.

It is an amenable number.

11231001204 is an abundant number, since it is smaller than the sum of its proper divisors (14974668300).

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

11231001204 is a wasteful number, since it uses less digits than its factorization.

11231001204 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 935916774 (or 935916772 counting only the distinct ones).

The product of its (nonzero) digits is 48, while the sum is 15.

Adding to 11231001204 its reverse (40210013211), we get a palindrome (51441014415).

The spelling of 11231001204 in words is "eleven billion, two hundred thirty-one million, one thousand, two hundred four".