220201212011201 has 4 divisors (see below), whose sum is σ = 220349097312900. Its totient is φ = 220053326709504.

The previous prime is 220201212011173. The next prime is 220201212011203. The reversal of 220201212011201 is 102110212102022.

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 158261935248400 + 61939276762801 = 12580220^2 + 7870151^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-220201212011201 is a prime.

It is a super-3 number, since 3×220201212011201³ (a number of 44 digits) contains 333 as substring.

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 220201212011201.

It is not an unprimeable number, because it can be changed into a prime (220201212011203) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 73942648616 + ... + 73942651593.

It is an arithmetic number, because the mean of its divisors is an integer number (55087274328225).

Almost surely, 2^{220201212011201} is an apocalyptic number.

It is an amenable number.

220201212011201 is a deficient number, since it is larger than the sum of its proper divisors (147885301699).

220201212011201 is a wasteful number, since it uses less digits than its factorization.

220201212011201 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 147885301698.

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

Adding to 220201212011201 its reverse (102110212102022), we get a palindrome (322311424113223).

The spelling of 220201212011201 in words is "two hundred twenty trillion, two hundred one billion, two hundred twelve million, eleven thousand, two hundred one".