112221121002 has 16 divisors (see below), whose sum is σ = 234200600640. Its totient is φ = 35780647232.

The previous prime is 112221120989. The next prime is 112221121003. The reversal of 112221121002 is 200121122211.

It is not an unprimeable number, because it can be changed into a prime (112221121003) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 406598127 + ... + 406598402.

It is an arithmetic number, because the mean of its divisors is an integer number (14637537540).

Almost surely, 2^112221121002 is an apocalyptic number.

112221121002 is an abundant number, since it is smaller than the sum of its proper divisors (121979479638).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

112221121002 is a wasteful number, since it uses less digits than its factorization.

112221121002 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 813196557.

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

Adding to 112221121002 its reverse (200121122211), we get a palindrome (312342243213).

The spelling of 112221121002 in words is "one hundred twelve billion, two hundred twenty-one million, one hundred twenty-one thousand, two".