112212200222221 has 4 divisors (see below), whose sum is σ = 122413309333344. Its totient is φ = 102011091111100.

The previous prime is 112212200222189. The next prime is 112212200222231. The reversal of 112212200222221 is 122222002212211.

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 112212200222221 - 2⁵ = 112212200222189 is a prime.

It is a Smith number, since the sum of its digits (22) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 112212200222192 and 112212200222201.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (112212200222231) 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, 5100554555545 + ... + 5100554555566.

It is an arithmetic number, because the mean of its divisors is an integer number (30603327333336).

Almost surely, 2^{112212200222221} is an apocalyptic number.

112212200222221 is a gapful number since it is divisible by the number (11) formed by its first and last digit.

It is an amenable number.

112212200222221 is a deficient number, since it is larger than the sum of its proper divisors (10201109111123).

112212200222221 is a wasteful number, since it uses less digits than its factorization.

112212200222221 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10201109111122.

The product of its (nonzero) digits is 512, while the sum is 22.

Adding to 112212200222221 its reverse (122222002212211), we get a palindrome (234434202434432).

The spelling of 112212200222221 in words is "one hundred twelve trillion, two hundred twelve billion, two hundred million, two hundred twenty-two thousand, two hundred twenty-one".