2111220300423 has 64 divisors (see below), whose sum is σ = 3253618368000. Its totient is φ = 1206732473856.

The previous prime is 2111220300421. The next prime is 2111220300437. The reversal of 2111220300423 is 3240030221112.

It is not a de Polignac number, because 2111220300423 - 2¹ = 2111220300421 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 2111220300423.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2111220300421) by changing a digit.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 56102308 + ... + 56139926.

It is an arithmetic number, because the mean of its divisors is an integer number (50837787000).

Almost surely, 2^{2111220300423} is an apocalyptic number.

2111220300423 is a deficient number, since it is larger than the sum of its proper divisors (1142398067577).

2111220300423 is a wasteful number, since it uses less digits than its factorization.

2111220300423 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 39136.

The product of its (nonzero) digits is 576, while the sum is 21.

Adding to 2111220300423 its reverse (3240030221112), we get a palindrome (5351250521535).

The spelling of 2111220300423 in words is "two trillion, one hundred eleven billion, two hundred twenty million, three hundred thousand, four hundred twenty-three".