2212112120201 has 8 divisors (see below), whose sum is σ = 2216515722408. Its totient is φ = 2207712448000.

The previous prime is 2212112120077. The next prime is 2212112120213. The reversal of 2212112120201 is 1020212112122.

It can be written as a sum of positive squares in 4 ways, for example, as 34566246400 + 2177545873801 = 185920^2 + 1475651^2 .

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 2212112120201 - 2¹⁰ = 2212112119177 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 2212112120201.

It is not an unprimeable number, because it can be changed into a prime (2212112150201) 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, 145661 + ... + 2108421.

It is an arithmetic number, because the mean of its divisors is an integer number (277064465301).

Almost surely, 2^{2212112120201} is an apocalyptic number.

It is an amenable number.

2212112120201 is a deficient number, since it is larger than the sum of its proper divisors (4403602207).

2212112120201 is a wasteful number, since it uses less digits than its factorization.

2212112120201 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1965003.

The product of its (nonzero) digits is 64, while the sum is 17.

Adding to 2212112120201 its reverse (1020212112122), we get a palindrome (3232324232323).

The spelling of 2212112120201 in words is "two trillion, two hundred twelve billion, one hundred twelve million, one hundred twenty thousand, two hundred one".