112101211121001 has 4 divisors (see below), whose sum is σ = 149468281494672. Its totient is φ = 74734140747332.

The previous prime is 112101211120991. The next prime is 112101211121021. The reversal of 112101211121001 is 100121112101211.

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 112101211121001 - 2¹⁰ = 112101211119977 is a prime.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (112101211121021) 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, 18683535186831 + ... + 18683535186836.

It is an arithmetic number, because the mean of its divisors is an integer number (37367070373668).

Almost surely, 2^{112101211121001} is an apocalyptic number.

It is an amenable number.

112101211121001 is a deficient number, since it is larger than the sum of its proper divisors (37367070373671).

112101211121001 is an equidigital number, since it uses as much as digits as its factorization.

112101211121001 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 37367070373670.

The product of its (nonzero) digits is 8, while the sum is 15.

Adding to 112101211121001 its reverse (100121112101211), we get a palindrome (212222323222212).

It can be divided in two parts, 11 and 2101211121001, that added together give a palindrome (2101211121012).

The spelling of 112101211121001 in words is "one hundred twelve trillion, one hundred one billion, two hundred eleven million, one hundred twenty-one thousand, one".