11223211013231 has 8 divisors (see below), whose sum is σ = 13088292727200. Its totient is φ = 9619895153904.

The previous prime is 11223211013219. The next prime is 11223211013293. The reversal of 11223211013231 is 13231011232211.

It is a happy number.

11223211013231 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 11223211013231 - 2⁶ = 11223211013167 is a prime.

It is a super-2 number, since 2×11223211013231² (a number of 27 digits) contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 11223211013197 and 11223211013206.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (11223211213231) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 16360365566 + ... + 16360366251.

It is an arithmetic number, because the mean of its divisors is an integer number (1636036590900).

Almost surely, 2^{11223211013231} is an apocalyptic number.

11223211013231 is a deficient number, since it is larger than the sum of its proper divisors (1865081713969).

11223211013231 is an frugal number, since it uses more digits than its factorization.

11223211013231 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 32720731838 (or 32720731824 counting only the distinct ones).

The product of its (nonzero) digits is 432, while the sum is 23.

Adding to 11223211013231 its reverse (13231011232211), we get a palindrome (24454222245442).

The spelling of 11223211013231 in words is "eleven trillion, two hundred twenty-three billion, two hundred eleven million, thirteen thousand, two hundred thirty-one".