11231212223122 has 16 divisors (see below), whose sum is σ = 17277948239832. Its totient is φ = 5472217284480.

The previous prime is 11231212223117. The next prime is 11231212223167. The reversal of 11231212223122 is 22132221213211.

11231212223122 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in 4 ways, for example, as 2154844907721 + 9076367315401 = 1467939^2 + 3012701^2 .

It is a super-2 number, since 2×11231212223122² (a number of 27 digits) contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 80214933 + ... + 80354824.

Almost surely, 2^{11231212223122} is an apocalyptic number.

11231212223122 is a deficient number, since it is larger than the sum of its proper divisors (6046736016710).

11231212223122 is a wasteful number, since it uses less digits than its factorization.

11231212223122 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 160570653.

The product of its digits is 1152, while the sum is 25.

Adding to 11231212223122 its reverse (22132221213211), we get a palindrome (33363433436333).

The spelling of 11231212223122 in words is "eleven trillion, two hundred thirty-one billion, two hundred twelve million, two hundred twenty-three thousand, one hundred twenty-two".