112002001121221 has 16 divisors (see below), whose sum is σ = 113121673477120. Its totient is φ = 110886848141040.

The previous prime is 112002001121119. The next prime is 112002001121239. The reversal of 112002001121221 is 122121100200211.

It is a cyclic number.

It is not a de Polignac number, because 112002001121221 - 2¹⁹ = 112002000596933 is a prime.

It is a super-2 number, since 2×112002001121221² (a number of 29 digits) contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 112002001121195 and 112002001121204.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (112002001121281) 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, 1057497550 + ... + 1057603456.

It is an arithmetic number, because the mean of its divisors is an integer number (7070104592320).

Almost surely, 2^{112002001121221} is an apocalyptic number.

It is an amenable number.

112002001121221 is a deficient number, since it is larger than the sum of its proper divisors (1119672355899).

112002001121221 is a wasteful number, since it uses less digits than its factorization.

112002001121221 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 127144.

The product of its (nonzero) digits is 32, while the sum is 16.

Adding to 112002001121221 its reverse (122121100200211), we get a palindrome (234123101321432).

The spelling of 112002001121221 in words is "one hundred twelve trillion, two billion, one million, one hundred twenty-one thousand, two hundred twenty-one".