112112101000221 has 48 divisors (see below), whose sum is σ = 179886651393600. Its totient is φ = 61854143726592.

The previous prime is 112112101000213. The next prime is 112112101000247. The reversal of 112112101000221 is 122000101211211.

It is a happy number.

It is not a de Polignac number, because 112112101000221 - 2³ = 112112101000213 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 112112101000221.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (112112101000261) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 489759690 + ... + 489988548.

It is an arithmetic number, because the mean of its divisors is an integer number (3747638570700).

Almost surely, 2^{112112101000221} is an apocalyptic number.

It is an amenable number.

112112101000221 is a deficient number, since it is larger than the sum of its proper divisors (67774550393379).

112112101000221 is a wasteful number, since it uses less digits than its factorization.

112112101000221 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 343818 (or 343811 counting only the distinct ones).

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

Adding to 112112101000221 its reverse (122000101211211), we get a palindrome (234112202211432).

The spelling of 112112101000221 in words is "one hundred twelve trillion, one hundred twelve billion, one hundred one million, two hundred twenty-one", and thus it is an aban number.