11031222031123 has 24 divisors (see below), whose sum is σ = 13534688760000. Its totient is φ = 8939732408208.

The previous prime is 11031222031103. The next prime is 11031222031147. The reversal of 11031222031123 is 32113022213011.

It is not a de Polignac number, because 11031222031123 - 2⁵ = 11031222031091 is a prime.

It is a super-2 number, since 2×11031222031123² (a number of 27 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 11031222031094 and 11031222031103.

It is not an unprimeable number, because it can be changed into a prime (11031222031103) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 11407965 + ... + 12337102.

It is an arithmetic number, because the mean of its divisors is an integer number (563945365000).

Almost surely, 2^{11031222031123} is an apocalyptic number.

11031222031123 is a deficient number, since it is larger than the sum of its proper divisors (2503466728877).

11031222031123 is a wasteful number, since it uses less digits than its factorization.

11031222031123 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 23745599 (or 23745592 counting only the distinct ones).

The product of its (nonzero) digits is 432, while the sum is 22.

Adding to 11031222031123 its reverse (32113022213011), we get a palindrome (43144244244134).

The spelling of 11031222031123 in words is "eleven trillion, thirty-one billion, two hundred twenty-two million, thirty-one thousand, one hundred twenty-three".