21113222202323 has 2 divisors, whose sum is σ = 21113222202324. Its totient is φ = 21113222202322.

The previous prime is 21113222202271. The next prime is 21113222202433. The reversal of 21113222202323 is 32320222231112.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 21113222202323 - 2³⁴ = 21096042333139 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 21113222202292 and 21113222202301.

It is not a weakly prime, because it can be changed into another prime (21113222202823) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 10556611101161 + 10556611101162.

It is an arithmetic number, because the mean of its divisors is an integer number (10556611101162).

Almost surely, 2^{21113222202323} is an apocalyptic number.

21113222202323 is a deficient number, since it is larger than the sum of its proper divisors (1).

21113222202323 is an equidigital number, since it uses as much as digits as its factorization.

21113222202323 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 3456, while the sum is 26.

Adding to 21113222202323 its reverse (32320222231112), we get a palindrome (53433444433435).

The spelling of 21113222202323 in words is "twenty-one trillion, one hundred thirteen billion, two hundred twenty-two million, two hundred two thousand, three hundred twenty-three".