21102232313311 has 2 divisors, whose sum is σ = 21102232313312. Its totient is φ = 21102232313310.

The previous prime is 21102232313299. The next prime is 21102232313333. The reversal of 21102232313311 is 11331323220112.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 21102232313311 - 2³³ = 21093642378719 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (21102232313341) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 10551116156655 + 10551116156656.

It is an arithmetic number, because the mean of its divisors is an integer number (10551116156656).

Almost surely, 2^{21102232313311} is an apocalyptic number.

21102232313311 is a deficient number, since it is larger than the sum of its proper divisors (1).

21102232313311 is an equidigital number, since it uses as much as digits as its factorization.

21102232313311 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 21102232313311 its reverse (11331323220112), we get a palindrome (32433555533423).

The spelling of 21102232313311 in words is "twenty-one trillion, one hundred two billion, two hundred thirty-two million, three hundred thirteen thousand, three hundred eleven".