220111220201210 has 32 divisors (see below), whose sum is σ = 438208949000592. Its totient is φ = 79075299064320.

The previous prime is 220111220201189. The next prime is 220111220201219. The reversal of 220111220201210 is 12102022111022.

It can be written as a sum of positive squares in 8 ways, for example, as 97577234978161 + 122533985223049 = 9878119^2 + 11069507^2 .

It is not an unprimeable number, because it can be changed into a prime (220111220201219) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 22880579411 + ... + 22880589030.

Almost surely, 2^{220111220201210} is an apocalyptic number.

220111220201210 is a deficient number, since it is larger than the sum of its proper divisors (218097728799382).

220111220201210 is a wasteful number, since it uses less digits than its factorization.

220111220201210 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 45761168498.

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

Adding to 220111220201210 its reverse (12102022111022), we get a palindrome (232213242312232).

The spelling of 220111220201210 in words is "two hundred twenty trillion, one hundred eleven billion, two hundred twenty million, two hundred one thousand, two hundred ten".