20211333394111 has 2 divisors, whose sum is σ = 20211333394112. Its totient is φ = 20211333394110.

The previous prime is 20211333394051. The next prime is 20211333394127. The reversal of 20211333394111 is 11149333311202.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 20211333394111 - 2³³ = 20202743459519 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (20211363394111) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 10105666697055 + 10105666697056.

It is an arithmetic number, because the mean of its divisors is an integer number (10105666697056).

Almost surely, 2^{20211333394111} is an apocalyptic number.

20211333394111 is a deficient number, since it is larger than the sum of its proper divisors (1).

20211333394111 is an equidigital number, since it uses as much as digits as its factorization.

20211333394111 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 11664, while the sum is 34.

The spelling of 20211333394111 in words is "twenty trillion, two hundred eleven billion, three hundred thirty-three million, three hundred ninety-four thousand, one hundred eleven".