2302211111123 has 48 divisors (see below), whose sum is σ = 2948075770464. Its totient is φ = 1777701219840.

The previous prime is 2302211111111. The next prime is 2302211111149. The reversal of 2302211111123 is 3211111122032.

It is not a de Polignac number, because 2302211111123 - 2⁶ = 2302211111059 is a prime.

It is a super-2 number, since 2×2302211111123² (a number of 26 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 2302211111095 and 2302211111104.

It is not an unprimeable number, because it can be changed into a prime (2302211111183) 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 47 ways as a sum of consecutive naturals, for example, 31527911 + ... + 31600847.

It is an arithmetic number, because the mean of its divisors is an integer number (61418245218).

Almost surely, 2^{2302211111123} is an apocalyptic number.

2302211111123 is a deficient number, since it is larger than the sum of its proper divisors (645864659341).

2302211111123 is a wasteful number, since it uses less digits than its factorization.

2302211111123 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 73492 (or 73485 counting only the distinct ones).

The product of its (nonzero) digits is 144, while the sum is 20.

Adding to 2302211111123 its reverse (3211111122032), we get a palindrome (5513322233155).

The spelling of 2302211111123 in words is "two trillion, three hundred two billion, two hundred eleven million, one hundred eleven thousand, one hundred twenty-three".