2111123200233 has 16 divisors (see below), whose sum is σ = 2863862907392. Its totient is φ = 1382946048000.

The previous prime is 2111123200223. The next prime is 2111123200247. The reversal of 2111123200233 is 3320023211112.

It is a de Polignac number, because none of the positive numbers 2^k-2111123200233 is a prime.

It is a super-2 number, since 2×2111123200233² (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 (2111123200223) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 5639128 + ... + 6001833.

It is an arithmetic number, because the mean of its divisors is an integer number (178991431712).

Almost surely, 2^{2111123200233} is an apocalyptic number.

It is an amenable number.

2111123200233 is a deficient number, since it is larger than the sum of its proper divisors (752739707159).

2111123200233 is a wasteful number, since it uses less digits than its factorization.

2111123200233 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 11642016.

The product of its (nonzero) digits is 432, while the sum is 21.

Adding to 2111123200233 its reverse (3320023211112), we get a palindrome (5431146411345).

The spelling of 2111123200233 in words is "two trillion, one hundred eleven billion, one hundred twenty-three million, two hundred thousand, two hundred thirty-three".