220000121111210 has 64 divisors (see below), whose sum is σ = 434463135436800. Its totient is φ = 79544492723520.

The previous prime is 220000121111153. The next prime is 220000121111233. The reversal of 220000121111210 is 12111121000022.

It is an unprimeable number.

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 31 ways as a sum of consecutive naturals, for example, 29171057 + ... + 35929803.

It is an arithmetic number, because the mean of its divisors is an integer number (6788486491200).

Almost surely, 2^{220000121111210} is an apocalyptic number.

220000121111210 is a deficient number, since it is larger than the sum of its proper divisors (214463014325590).

220000121111210 is a wasteful number, since it uses less digits than its factorization.

220000121111210 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6760451.

The product of its (nonzero) digits is 16, while the sum is 14.

Adding to 220000121111210 its reverse (12111121000022), we get a palindrome (232111242111232).

The spelling of 220000121111210 in words is "two hundred twenty trillion, one hundred twenty-one million, one hundred eleven thousand, two hundred ten".