21112023110041 has 2 divisors, whose sum is σ = 21112023110042. Its totient is φ = 21112023110040.

The previous prime is 21112023110039. The next prime is 21112023110131. The reversal of 21112023110041 is 14001132021112.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 20713685410441 + 398337699600 = 4551229^2 + 631140^2 .

It is a cyclic number.

It is not a de Polignac number, because 21112023110041 - 2¹ = 21112023110039 is a prime.

It is a super-3 number, since 3×21112023110041³ (a number of 41 digits) contains 333 as substring.

Together with 21112023110039, it forms a pair of twin primes.

It is not a weakly prime, because it can be changed into another prime (21112023150041) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 10556011555020 + 10556011555021.

It is an arithmetic number, because the mean of its divisors is an integer number (10556011555021).

Almost surely, 2^{21112023110041} is an apocalyptic number.

It is an amenable number.

21112023110041 is a deficient number, since it is larger than the sum of its proper divisors (1).

21112023110041 is an equidigital number, since it uses as much as digits as its factorization.

21112023110041 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 96, while the sum is 19.

Adding to 21112023110041 its reverse (14001132021112), we get a palindrome (35113155131153).

The spelling of 21112023110041 in words is "twenty-one trillion, one hundred twelve billion, twenty-three million, one hundred ten thousand, forty-one".