220201123211 has 2 divisors, whose sum is σ = 220201123212. Its totient is φ = 220201123210.

The previous prime is 220201123201. The next prime is 220201123297. The reversal of 220201123211 is 112321102022.

It is a weak prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-220201123211 is a prime.

It is a Sophie Germain prime.

It is a self number, because there is not a number n which added to its sum of digits gives 220201123211.

It is not a weakly prime, because it can be changed into another prime (220201123201) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 110100561605 + 110100561606.

It is an arithmetic number, because the mean of its divisors is an integer number (110100561606).

Almost surely, 2^220201123211 is an apocalyptic number.

220201123211 is a deficient number, since it is larger than the sum of its proper divisors (1).

220201123211 is an equidigital number, since it uses as much as digits as its factorization.

220201123211 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 96, while the sum is 17.

Adding to 220201123211 its reverse (112321102022), we get a palindrome (332522225233).

It can be divided in two parts, 2202011 and 23211, that added together give a palindrome (2225222).

The spelling of 220201123211 in words is "two hundred twenty billion, two hundred one million, one hundred twenty-three thousand, two hundred eleven".