112100020001 has 16 divisors (see below), whose sum is σ = 116571182400. Its totient is φ = 107729613888.

The previous prime is 112100019979. The next prime is 112100020013. The reversal of 112100020001 is 100020001211.

It is a cyclic number.

It is not a de Polignac number, because 112100020001 - 2¹⁰ = 112100018977 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (112100020051) 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, 801470 + ... + 930888.

It is an arithmetic number, because the mean of its divisors is an integer number (7285698900).

Almost surely, 2^112100020001 is an apocalyptic number.

It is an amenable number.

112100020001 is a deficient number, since it is larger than the sum of its proper divisors (4471162399).

112100020001 is a wasteful number, since it uses less digits than its factorization.

112100020001 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 129808.

The product of its (nonzero) digits is 4, while the sum is 8.

Adding to 112100020001 its reverse (100020001211), we get a palindrome (212120021212).

The spelling of 112100020001 in words is "one hundred twelve billion, one hundred million, twenty thousand, one".