2211030113123 has 16 divisors (see below), whose sum is σ = 2409101694720. Its totient is φ = 2017097347104.

The previous prime is 2211030113119. The next prime is 2211030113153. The reversal of 2211030113123 is 3213110301122.

It is a happy number.

It is a cyclic number.

It is not a de Polignac number, because 2211030113123 - 2² = 2211030113119 is a prime.

It is a super-2 number, since 2×2211030113123² (a number of 25 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 = 2211030113095 and 2211030113104.

It is not an unprimeable number, because it can be changed into a prime (2211030113153) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 2535311 + ... + 3293912.

It is an arithmetic number, because the mean of its divisors is an integer number (150568855920).

Almost surely, 2^{2211030113123} is an apocalyptic number.

2211030113123 is a deficient number, since it is larger than the sum of its proper divisors (198071581597).

2211030113123 is a wasteful number, since it uses less digits than its factorization.

2211030113123 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5829578.

The product of its (nonzero) digits is 216, while the sum is 20.

Adding to 2211030113123 its reverse (3213110301122), we get a palindrome (5424140414245).

The spelling of 2211030113123 in words is "two trillion, two hundred eleven billion, thirty million, one hundred thirteen thousand, one hundred twenty-three".