112222000221221 has 4 divisors (see below), whose sum is σ = 122424000241344. Its totient is φ = 102020000201100.

The previous prime is 112222000221197. The next prime is 112222000221241. The reversal of 112222000221221 is 122122000222211.

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 a de Polignac number, because none of the positive numbers 2^k-112222000221221 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 112222000221193 and 112222000221202.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (112222000221241) 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, 5101000010045 + ... + 5101000010066.

It is an arithmetic number, because the mean of its divisors is an integer number (30606000060336).

Almost surely, 2^{112222000221221} is an apocalyptic number.

112222000221221 is a gapful number since it is divisible by the number (11) formed by its first and last digit.

It is an amenable number.

112222000221221 is a deficient number, since it is larger than the sum of its proper divisors (10202000020123).

112222000221221 is a wasteful number, since it uses less digits than its factorization.

112222000221221 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10202000020122.

The product of its (nonzero) digits is 256, while the sum is 20.

Adding to 112222000221221 its reverse (122122000222211), we get a palindrome (234344000443432).

The spelling of 112222000221221 in words is "one hundred twelve trillion, two hundred twenty-two billion, two hundred twenty-one thousand, two hundred twenty-one".