11204402132231 has 16 divisors (see below), whose sum is σ = 13986016139520. Its totient is φ = 8720145833280.

The previous prime is 11204402132197. The next prime is 11204402132309. The reversal of 11204402132231 is 13223120440211.

It is a happy number.

It is not a de Polignac number, because 11204402132231 - 2¹⁰ = 11204402131207 is a prime.

It is a super-2 number, since 2×11204402132231² (a number of 27 digits) contains 22 as substring.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 11204402132231.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (11204402132531) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 87911966 + ... + 88039323.

It is an arithmetic number, because the mean of its divisors is an integer number (874126008720).

Almost surely, 2^{11204402132231} is an apocalyptic number.

11204402132231 is a gapful number since it is divisible by the number (11) formed by its first and last digit.

11204402132231 is a deficient number, since it is larger than the sum of its proper divisors (2781614007289).

11204402132231 is a wasteful number, since it uses less digits than its factorization.

11204402132231 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 175952134.

The product of its (nonzero) digits is 2304, while the sum is 26.

Adding to 11204402132231 its reverse (13223120440211), we get a palindrome (24427522572442).

The spelling of 11204402132231 in words is "eleven trillion, two hundred four billion, four hundred two million, one hundred thirty-two thousand, two hundred thirty-one".