220211112002201 has 16 divisors (see below), whose sum is σ = 225855501165840. Its totient is φ = 214579761223680.

The previous prime is 220211112002197. The next prime is 220211112002347. The reversal of 220211112002201 is 102200211112022.

It can be written as a sum of positive squares in 8 ways, for example, as 162298707601801 + 57912404400400 = 12739651^2 + 7610020^2 .

It is a cyclic number.

It is not a de Polignac number, because 220211112002201 - 2² = 220211112002197 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 220211112002201.

It is not an unprimeable number, because it can be changed into a prime (220211112008201) 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, 999173345 + ... + 999393713.

It is an arithmetic number, because the mean of its divisors is an integer number (14115968822865).

Almost surely, 2^{220211112002201} is an apocalyptic number.

It is an amenable number.

220211112002201 is a deficient number, since it is larger than the sum of its proper divisors (5644389163639).

220211112002201 is a wasteful number, since it uses less digits than its factorization.

220211112002201 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 249836.

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

Adding to 220211112002201 its reverse (102200211112022), we get a palindrome (322411323114223).

The spelling of 220211112002201 in words is "two hundred twenty trillion, two hundred eleven billion, one hundred twelve million, two thousand, two hundred one".