112100020000221 has 16 divisors (see below), whose sum is σ = 164668976278848. Its totient is φ = 67266738672000.

The previous prime is 112100020000207. The next prime is 112100020000253. The reversal of 112100020000221 is 122000020001211.

It is not a de Polignac number, because 112100020000221 - 2⁷ = 112100020000093 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 112100020000197 and 112100020000206.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (112100020000261) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 16816681336 + ... + 16816688001.

It is an arithmetic number, because the mean of its divisors is an integer number (10291811017428).

Almost surely, 2^{112100020000221} is an apocalyptic number.

112100020000221 is a gapful number since it is divisible by the number (11) formed by its first and last digit.

It is an amenable number.

112100020000221 is a deficient number, since it is larger than the sum of its proper divisors (52568956278627).

112100020000221 is a wasteful number, since it uses less digits than its factorization.

112100020000221 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 33633369452.

The product of its (nonzero) digits is 16, while the sum is 12.

Adding to 112100020000221 its reverse (122000020001211), we get a palindrome (234100040001432).

The spelling of 112100020000221 in words is "one hundred twelve trillion, one hundred billion, twenty million, two hundred twenty-one", and thus it is an aban number.