2201233121123 has 4 divisors (see below), whose sum is σ = 2201238067080. Its totient is φ = 2201228175168.

The previous prime is 2201233121117. The next prime is 2201233121141. The reversal of 2201233121123 is 3211213321022.

2201233121123 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-2201233121123 is a prime.

It is a super-2 number, since 2×2201233121123² (a number of 25 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (2201233121623) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1731233 + ... + 2720226.

It is an arithmetic number, because the mean of its divisors is an integer number (550309516770).

Almost surely, 2^{2201233121123} is an apocalyptic number.

2201233121123 is a deficient number, since it is larger than the sum of its proper divisors (4945957).

2201233121123 is an equidigital number, since it uses as much as digits as its factorization.

2201233121123 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4945956.

The product of its (nonzero) digits is 864, while the sum is 23.

Adding to 2201233121123 its reverse (3211213321022), we get a palindrome (5412446442145).

The spelling of 2201233121123 in words is "two trillion, two hundred one billion, two hundred thirty-three million, one hundred twenty-one thousand, one hundred twenty-three".