21110101233343 has 2 divisors, whose sum is σ = 21110101233344. Its totient is φ = 21110101233342.

The previous prime is 21110101233341. The next prime is 21110101233359. The reversal of 21110101233343 is 34333210101112.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 21110101233343 - 2¹ = 21110101233341 is a prime.

Together with 21110101233341, it forms a pair of twin primes.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (21110101233341) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 10555050616671 + 10555050616672.

It is an arithmetic number, because the mean of its divisors is an integer number (10555050616672).

Almost surely, 2^{21110101233343} is an apocalyptic number.

21110101233343 is a deficient number, since it is larger than the sum of its proper divisors (1).

21110101233343 is an equidigital number, since it uses as much as digits as its factorization.

21110101233343 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 1296, while the sum is 25.

Adding to 21110101233343 its reverse (34333210101112), we get a palindrome (55443311334455).

The spelling of 21110101233343 in words is "twenty-one trillion, one hundred ten billion, one hundred one million, two hundred thirty-three thousand, three hundred forty-three".