220121102211 has 16 divisors (see below), whose sum is σ = 316477069440. Its totient is φ = 135633026880.

The previous prime is 220121102203. The next prime is 220121102213. The reversal of 220121102211 is 112201121022.

220121102211 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 220121102211 - 2³ = 220121102203 is a prime.

It is not an unprimeable number, because it can be changed into a prime (220121102213) 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 15 ways as a sum of consecutive naturals, for example, 47092465 + ... + 47097138.

It is an arithmetic number, because the mean of its divisors is an integer number (19779816840).

Almost surely, 2^220121102211 is an apocalyptic number.

220121102211 is a deficient number, since it is larger than the sum of its proper divisors (96355967229).

220121102211 is a wasteful number, since it uses less digits than its factorization.

220121102211 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 94189666.

The product of its (nonzero) digits is 32, while the sum is 15.

Adding to 220121102211 its reverse (112201121022), we get a palindrome (332322223233).

The spelling of 220121102211 in words is "two hundred twenty billion, one hundred twenty-one million, one hundred two thousand, two hundred eleven".