220211210012201 has 4 divisors (see below), whose sum is σ = 233164810601172. Its totient is φ = 207257609423232.

The previous prime is 220211210012173. The next prime is 220211210012279. The reversal of 220211210012201 is 102210012112022.

220211210012201 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 139844933616025 + 80366276396176 = 11825605^2 + 8964724^2 .

It is a cyclic number.

It is not a de Polignac number, because 220211210012201 - 2⁶ = 220211210012137 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (17), and also a Moran number because the ratio is a prime number: 12953600588953 = 220211210012201 / (2 + 2 + 0 + 2 + 1 + 1 + 2 + 1 + 0 + 0 + 1 + 2 + 2 + 0 + 1).

It is a Duffinian number.

It is a Curzon number.

It is a self number, because there is not a number n which added to its sum of digits gives 220211210012201.

It is not an unprimeable number, because it can be changed into a prime (220211210011201) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 6476800294460 + ... + 6476800294493.

It is an arithmetic number, because the mean of its divisors is an integer number (58291202650293).

Almost surely, 2^{220211210012201} is an apocalyptic number.

It is an amenable number.

220211210012201 is a deficient number, since it is larger than the sum of its proper divisors (12953600588971).

220211210012201 is a wasteful number, since it uses less digits than its factorization.

220211210012201 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 12953600588970.

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

Adding to 220211210012201 its reverse (102210012112022), we get a palindrome (322421222124223).

The spelling of 220211210012201 in words is "two hundred twenty trillion, two hundred eleven billion, two hundred ten million, twelve thousand, two hundred one".