112100121100221 has 16 divisors (see below), whose sum is σ = 154809189135360. Its totient is φ = 72068511314240.

The previous prime is 112100121100189. The next prime is 112100121100241. The reversal of 112100121100221 is 122001121001211.

It is a happy number.

It is a cyclic number.

It is not a de Polignac number, because 112100121100221 - 2⁵ = 112100121100189 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 112100121100221.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (112100121100241) 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, 784646685 + ... + 784789538.

It is an arithmetic number, because the mean of its divisors is an integer number (9675574320960).

Almost surely, 2^{112100121100221} is an apocalyptic number.

It is an amenable number.

112100121100221 is a deficient number, since it is larger than the sum of its proper divisors (42709068035139).

112100121100221 is a wasteful number, since it uses less digits than its factorization.

112100121100221 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1569437076.

The product of its (nonzero) digits is 16, while the sum is 15.

Adding to 112100121100221 its reverse (122001121001211), we get a palindrome (234101242101432).

The spelling of 112100121100221 in words is "one hundred twelve trillion, one hundred billion, one hundred twenty-one million, one hundred thousand, two hundred twenty-one".