222012200021 has 8 divisors (see below), whose sum is σ = 222990192000. Its totient is φ = 221034617440.

The previous prime is 222012199991. The next prime is 222012200071. The reversal of 222012200021 is 120002210222.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 222012200021 - 2¹⁰ = 222012198997 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 222012199969 and 222012200005.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (222012200071) 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, 1011206 + ... + 1211016.

It is an arithmetic number, because the mean of its divisors is an integer number (27873774000).

Almost surely, 2^222012200021 is an apocalyptic number.

It is an amenable number.

222012200021 is a deficient number, since it is larger than the sum of its proper divisors (977991979).

222012200021 is a wasteful number, since it uses less digits than its factorization.

222012200021 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 204699.

The product of its (nonzero) digits is 64, while the sum is 14.

Adding to 222012200021 its reverse (120002210222), we get a palindrome (342014410243).

It can be divided in two parts, 22201 and 2200021, that added together give a palindrome (2222222).

The spelling of 222012200021 in words is "two hundred twenty-two billion, twelve million, two hundred thousand, twenty-one".