112120020100001 has 4 divisors (see below), whose sum is σ = 114727462427952. Its totient is φ = 109512577772052.

The previous prime is 112120020099931. The next prime is 112120020100003. The reversal of 112120020100001 is 100001020021211.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 112120020100001 - 2¹⁸ = 112120019837857 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (112120020100003) 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, 1303721163911 + ... + 1303721163996.

It is an arithmetic number, because the mean of its divisors is an integer number (28681865606988).

Almost surely, 2^{112120020100001} is an apocalyptic number.

It is an amenable number.

112120020100001 is a deficient number, since it is larger than the sum of its proper divisors (2607442327951).

112120020100001 is an equidigital number, since it uses as much as digits as its factorization.

112120020100001 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2607442327950.

The product of its (nonzero) digits is 8, while the sum is 11.

Adding to 112120020100001 its reverse (100001020021211), we get a palindrome (212121040121212).

The spelling of 112120020100001 in words is "one hundred twelve trillion, one hundred twenty billion, twenty million, one hundred thousand, one".