112121220001 has 8 divisors (see below), whose sum is σ = 130556245824. Its totient is φ = 94290621360.

The previous prime is 112121219993. The next prime is 112121220037. The reversal of 112121220001 is 100022121211.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 112121220001 - 2³ = 112121219993 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (112121220041) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 151106395 + ... + 151107136.

It is an arithmetic number, because the mean of its divisors is an integer number (16319530728).

Almost surely, 2^112121220001 is an apocalyptic number.

It is an amenable number.

112121220001 is a deficient number, since it is larger than the sum of its proper divisors (18435025823).

112121220001 is an equidigital number, since it uses as much as digits as its factorization.

112121220001 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 302213591.

The product of its (nonzero) digits is 16, while the sum is 13.

Adding to 112121220001 its reverse (100022121211), we get a palindrome (212143341212).

The spelling of 112121220001 in words is "one hundred twelve billion, one hundred twenty-one million, two hundred twenty thousand, one".