2122221221201 has 8 divisors (see below), whose sum is σ = 2190718723584. Its totient is φ = 2053726140960.

The previous prime is 2122221221189. The next prime is 2122221221233. The reversal of 2122221221201 is 1021221222212.

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 2122221221201 - 2³⁴ = 2105041352017 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (2122221221251) 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, 1267061 + ... + 2418653.

It is an arithmetic number, because the mean of its divisors is an integer number (273839840448).

Almost surely, 2^{2122221221201} is an apocalyptic number.

It is an amenable number.

2122221221201 is a deficient number, since it is larger than the sum of its proper divisors (68497502383).

2122221221201 is a wasteful number, since it uses less digits than its factorization.

2122221221201 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1211071.

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

Adding to 2122221221201 its reverse (1021221222212), we get a palindrome (3143442443413).

The spelling of 2122221221201 in words is "two trillion, one hundred twenty-two billion, two hundred twenty-one million, two hundred twenty-one thousand, two hundred one".