2221412000021 has 8 divisors (see below), whose sum is σ = 2229662364288. Its totient is φ = 2213162028000.

The previous prime is 2221411999993. The next prime is 2221412000033. The reversal of 2221412000021 is 1200002141222.

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 2221412000021 - 2²² = 2221407805717 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2221412003021) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 16357961 + ... + 16493201.

It is an arithmetic number, because the mean of its divisors is an integer number (278707795536).

Almost surely, 2^{2221412000021} is an apocalyptic number.

It is an amenable number.

2221412000021 is a deficient number, since it is larger than the sum of its proper divisors (8250364267).

2221412000021 is a wasteful number, since it uses less digits than its factorization.

2221412000021 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 196123.

The product of its (nonzero) digits is 128, while the sum is 17.

Adding to 2221412000021 its reverse (1200002141222), we get a palindrome (3421414141243).

The spelling of 2221412000021 in words is "two trillion, two hundred twenty-one billion, four hundred twelve million, twenty-one", and thus it is an aban number.