2112221201201 has 8 divisors (see below), whose sum is σ = 2237896765440. Its totient is φ = 1986704221248.

The previous prime is 2112221201173. The next prime is 2112221201239. The reversal of 2112221201201 is 1021021222112.

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-2112221201201 is a prime.

It is a super-2 number, since 2×2112221201201² (a number of 25 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (17).

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 2112221201201.

It is not an unprimeable number, because it can be changed into a prime (2112221201401) 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, 39618641 + ... + 39671918.

It is an arithmetic number, because the mean of its divisors is an integer number (279737095680).

Almost surely, 2^{2112221201201} is an apocalyptic number.

It is an amenable number.

2112221201201 is a deficient number, since it is larger than the sum of its proper divisors (125675564239).

2112221201201 is a wasteful number, since it uses less digits than its factorization.

2112221201201 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 79292143.

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

Adding to 2112221201201 its reverse (1021021222112), we get a palindrome (3133242423313).

The spelling of 2112221201201 in words is "two trillion, one hundred twelve billion, two hundred twenty-one million, two hundred one thousand, two hundred one".