21233013102043 has 2 divisors, whose sum is σ = 21233013102044. Its totient is φ = 21233013102042.

The previous prime is 21233013101999. The next prime is 21233013102083. The reversal of 21233013102043 is 34020131033212.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-21233013102043 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 21233013101999 and 21233013102017.

It is not a weakly prime, because it can be changed into another prime (21233013102083) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 10616506551021 + 10616506551022.

It is an arithmetic number, because the mean of its divisors is an integer number (10616506551022).

Almost surely, 2^{21233013102043} is an apocalyptic number.

21233013102043 is a deficient number, since it is larger than the sum of its proper divisors (1).

21233013102043 is an equidigital number, since it uses as much as digits as its factorization.

21233013102043 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 2592, while the sum is 25.

Adding to 21233013102043 its reverse (34020131033212), we get a palindrome (55253144135255).

The spelling of 21233013102043 in words is "twenty-one trillion, two hundred thirty-three billion, thirteen million, one hundred two thousand, forty-three".