2201012111323 has 4 divisors (see below), whose sum is σ = 2201068240168. Its totient is φ = 2200955982480.

The previous prime is 2201012111317. The next prime is 2201012111341. The reversal of 2201012111323 is 3231112101022.

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

It is a cyclic number.

It is not a de Polignac number, because 2201012111323 - 2²¹ = 2201010014171 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 2201012111323.

It is not an unprimeable number, because it can be changed into a prime (2201012181323) 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, 28005561 + ... + 28084042.

It is an arithmetic number, because the mean of its divisors is an integer number (550267060042).

Almost surely, 2^{2201012111323} is an apocalyptic number.

2201012111323 is a deficient number, since it is larger than the sum of its proper divisors (56128845).

2201012111323 is an equidigital number, since it uses as much as digits as its factorization.

2201012111323 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 56128844.

The product of its (nonzero) digits is 144, while the sum is 19.

Adding to 2201012111323 its reverse (3231112101022), we get a palindrome (5432124212345).

The spelling of 2201012111323 in words is "two trillion, two hundred one billion, twelve million, one hundred eleven thousand, three hundred twenty-three".