20211233313113 has 2 divisors, whose sum is σ = 20211233313114. Its totient is φ = 20211233313112.

The previous prime is 20211233313107. The next prime is 20211233313121. The reversal of 20211233313113 is 31131333211202.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 20034907225369 + 176326087744 = 4476037^2 + 419912^2 .

It is a cyclic number.

It is not a de Polignac number, because 20211233313113 - 2⁶ = 20211233313049 is a prime.

It is not a weakly prime, because it can be changed into another prime (20211233313013) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 10105616656556 + 10105616656557.

It is an arithmetic number, because the mean of its divisors is an integer number (10105616656557).

Almost surely, 2^{20211233313113} is an apocalyptic number.

It is an amenable number.

20211233313113 is a deficient number, since it is larger than the sum of its proper divisors (1).

20211233313113 is an equidigital number, since it uses as much as digits as its factorization.

20211233313113 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 1944, while the sum is 26.

Adding to 20211233313113 its reverse (31131333211202), we get a palindrome (51342566524315).

The spelling of 20211233313113 in words is "twenty trillion, two hundred eleven billion, two hundred thirty-three million, three hundred thirteen thousand, one hundred thirteen".