20211112232101 has 16 divisors (see below), whose sum is σ = 23117117472000. Its totient is φ = 17309788126848.

The previous prime is 20211112232081. The next prime is 20211112232119. The reversal of 20211112232101 is 10123221111202.

It is not a de Polignac number, because 20211112232101 - 2¹⁷ = 20211112101029 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (20211112232191) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 46451880 + ... + 46884958.

It is an arithmetic number, because the mean of its divisors is an integer number (1444819842000).

Almost surely, 2^{20211112232101} is an apocalyptic number.

It is an amenable number.

20211112232101 is a deficient number, since it is larger than the sum of its proper divisors (2906005239899).

20211112232101 is a wasteful number, since it uses less digits than its factorization.

20211112232101 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 438468.

The product of its (nonzero) digits is 96, while the sum is 19.

Adding to 20211112232101 its reverse (10123221111202), we get a palindrome (30334333343303).

The spelling of 20211112232101 in words is "twenty trillion, two hundred eleven billion, one hundred twelve million, two hundred thirty-two thousand, one hundred one".