2212221121201 has 16 divisors (see below), whose sum is σ = 2722799689344. Its totient is φ = 1750286369664.

The previous prime is 2212221121183. The next prime is 2212221121223. The reversal of 2212221121201 is 1021211222122.

It is not a de Polignac number, because 2212221121201 - 2⁵ = 2212221121169 is a prime.

It is not an unprimeable number, because it can be changed into a prime (2212221121261) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 3789270 + ... + 4333936.

It is an arithmetic number, because the mean of its divisors is an integer number (170174980584).

Almost surely, 2^{2212221121201} is an apocalyptic number.

It is an amenable number.

2212221121201 is a deficient number, since it is larger than the sum of its proper divisors (510578568143).

2212221121201 is a wasteful number, since it uses less digits than its factorization.

2212221121201 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 589320.

The product of its (nonzero) digits is 128, while the sum is 19.

Adding to 2212221121201 its reverse (1021211222122), we get a palindrome (3233432343323).

The spelling of 2212221121201 in words is "two trillion, two hundred twelve billion, two hundred twenty-one million, one hundred twenty-one thousand, two hundred one".