2221221200001 has 8 divisors (see below), whose sum is σ = 2961688937280. Its totient is φ = 1480783798032.

The previous prime is 2221221199973. The next prime is 2221221200021. The reversal of 2221221200001 is 1000021221222.

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

It is not a de Polignac number, because 2221221200001 - 2⁵ = 2221221199969 is a prime.

It is not an unprimeable number, because it can be changed into a prime (2221221200021) 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, 7412421 + ... + 7706258.

It is an arithmetic number, because the mean of its divisors is an integer number (370211117160).

Almost surely, 2^{2221221200001} is an apocalyptic number.

It is an amenable number.

2221221200001 is a deficient number, since it is larger than the sum of its proper divisors (740467737279).

2221221200001 is a wasteful number, since it uses less digits than its factorization.

2221221200001 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 15167655.

The product of its (nonzero) digits is 64, while the sum is 15.

Adding to 2221221200001 its reverse (1000021221222), we get a palindrome (3221242421223).

The spelling of 2221221200001 in words is "two trillion, two hundred twenty-one billion, two hundred twenty-one million, two hundred thousand, one".