2111432240233 has 8 divisors (see below), whose sum is σ = 2125040260616. Its totient is φ = 2097845568000.

The previous prime is 2111432240173. The next prime is 2111432240303. The reversal of 2111432240233 is 3320422341112.

It can be written as a sum of positive squares in 4 ways, for example, as 101947381264 + 2009484858969 = 319292^2 + 1417563^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-2111432240233 is a prime.

It is a super-2 number, since 2×2111432240233² (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 (2111432246233) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 5138568 + ... + 5534233.

It is an arithmetic number, because the mean of its divisors is an integer number (265630032577).

Almost surely, 2^{2111432240233} is an apocalyptic number.

It is an amenable number.

2111432240233 is a deficient number, since it is larger than the sum of its proper divisors (13608020383).

2111432240233 is a wasteful number, since it uses less digits than its factorization.

2111432240233 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10674075.

The product of its (nonzero) digits is 6912, while the sum is 28.

Adding to 2111432240233 its reverse (3320422341112), we get a palindrome (5431854581345).

The spelling of 2111432240233 in words is "two trillion, one hundred eleven billion, four hundred thirty-two million, two hundred forty thousand, two hundred thirty-three".