112200020011221 has 4 divisors (see below), whose sum is σ = 149600026681632. Its totient is φ = 74800013340812.

The previous prime is 112200020011103. The next prime is 112200020011267. The reversal of 112200020011221 is 122110020002211.

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 112200020011221 - 2²⁹ = 112199483140309 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 112200020011221.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (112200020011021) 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, 18700003335201 + ... + 18700003335206.

It is an arithmetic number, because the mean of its divisors is an integer number (37400006670408).

Almost surely, 2^{112200020011221} is an apocalyptic number.

It is an amenable number.

112200020011221 is a deficient number, since it is larger than the sum of its proper divisors (37400006670411).

112200020011221 is an equidigital number, since it uses as much as digits as its factorization.

112200020011221 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 37400006670410.

The product of its (nonzero) digits is 32, while the sum is 15.

Adding to 112200020011221 its reverse (122110020002211), we get a palindrome (234310040013432).

The spelling of 112200020011221 in words is "one hundred twelve trillion, two hundred billion, twenty million, eleven thousand, two hundred twenty-one".