20211112232111 has 8 divisors (see below), whose sum is σ = 20641613287680. Its totient is φ = 19780631067928.

The previous prime is 20211112232081. The next prime is 20211112232119. The reversal of 20211112232111 is 11123221111202.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 20211112232111 - 2¹⁰ = 20211112231087 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (20211112232119) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2910041 + ... + 6992178.

It is an arithmetic number, because the mean of its divisors is an integer number (2580201660960).

Almost surely, 2^{20211112232111} is an apocalyptic number.

20211112232111 is a deficient number, since it is larger than the sum of its proper divisors (430501055569).

20211112232111 is an equidigital number, since it uses as much as digits as its factorization.

20211112232111 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9945693.

The product of its (nonzero) digits is 96, while the sum is 20.

Adding to 20211112232111 its reverse (11123221111202), we get a palindrome (31334333343313).

The spelling of 20211112232111 in words is "twenty trillion, two hundred eleven billion, one hundred twelve million, two hundred thirty-two thousand, one hundred eleven".