220011111211210 has 32 divisors (see below), whose sum is σ = 435845020335552. Its totient is φ = 79296040078080.

The previous prime is 220011111211163. The next prime is 220011111211363. The reversal of 220011111211210 is 12112111110022.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 8849992044 + ... + 8850016903.

It is an arithmetic number, because the mean of its divisors is an integer number (13620156885486).

Almost surely, 2^{220011111211210} is an apocalyptic number.

220011111211210 is a deficient number, since it is larger than the sum of its proper divisors (215833909124342).

220011111211210 is a wasteful number, since it uses less digits than its factorization.

220011111211210 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 17700009078.

The product of its (nonzero) digits is 16, while the sum is 16.

Adding to 220011111211210 its reverse (12112111110022), we get a palindrome (232123222321232).

The spelling of 220011111211210 in words is "two hundred twenty trillion, eleven billion, one hundred eleven million, two hundred eleven thousand, two hundred ten".