112100211220001 has 4 divisors (see below), whose sum is σ = 112260125930004. Its totient is φ = 111940296510000.

The previous prime is 112100211219991. The next prime is 112100211220007. The reversal of 112100211220001 is 100022112001211.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 91513119930001 + 20587091290000 = 9566249^2 + 4537300^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-112100211220001 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (112100211220007) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 79957353950 + ... + 79957355351.

It is an arithmetic number, because the mean of its divisors is an integer number (28065031482501).

Almost surely, 2^{112100211220001} is an apocalyptic number.

It is an amenable number.

112100211220001 is a deficient number, since it is larger than the sum of its proper divisors (159914710003).

112100211220001 is an equidigital number, since it uses as much as digits as its factorization.

112100211220001 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 159914710002.

The product of its (nonzero) digits is 16, while the sum is 14.

Adding to 112100211220001 its reverse (100022112001211), we get a palindrome (212122323221212).

The spelling of 112100211220001 in words is "one hundred twelve trillion, one hundred billion, two hundred eleven million, two hundred twenty thousand, one".