112001200221221 has 4 divisors (see below), whose sum is σ = 112001455276992. Its totient is φ = 112000945165452.

The previous prime is 112001200221191. The next prime is 112001200221223. The reversal of 112001200221221 is 122122002100211.

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 112001200221221 - 2²⁶ = 112001133112357 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 112001200221221.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (112001200221223) 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, 126868061 + ... + 127747826.

It is an arithmetic number, because the mean of its divisors is an integer number (28000363819248).

Almost surely, 2^{112001200221221} is an apocalyptic number.

It is an amenable number.

112001200221221 is a deficient number, since it is larger than the sum of its proper divisors (255055771).

112001200221221 is an equidigital number, since it uses as much as digits as its factorization.

112001200221221 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 255055770.

The product of its (nonzero) digits is 64, while the sum is 17.

Adding to 112001200221221 its reverse (122122002100211), we get a palindrome (234123202321432).

The spelling of 112001200221221 in words is "one hundred twelve trillion, one billion, two hundred million, two hundred twenty-one thousand, two hundred twenty-one".