112121000221001 has 4 divisors (see below), whose sum is σ = 112121026092672. Its totient is φ = 112120974349332.

The previous prime is 112121000220997. The next prime is 112121000221003. The reversal of 112121000221001 is 100122000121211.

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 112121000221001 - 2² = 112121000220997 is a prime.

It is a super-2 number, since 2×112121000221001² (a number of 29 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (112121000221003) 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, 4678085 + ... + 15688418.

It is an arithmetic number, because the mean of its divisors is an integer number (28030256523168).

Almost surely, 2^{112121000221001} is an apocalyptic number.

It is an amenable number.

112121000221001 is a deficient number, since it is larger than the sum of its proper divisors (25871671).

112121000221001 is an equidigital number, since it uses as much as digits as its factorization.

112121000221001 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 25871670.

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

Adding to 112121000221001 its reverse (100122000121211), we get a palindrome (212243000342212).

The spelling of 112121000221001 in words is "one hundred twelve trillion, one hundred twenty-one billion, two hundred twenty-one thousand, one".