220221001211122 has 16 divisors (see below), whose sum is σ = 345032007773760. Its totient is φ = 105219728251792.

The previous prime is 220221001211119. The next prime is 220221001211171. The reversal of 220221001211122 is 221112100122022.

It is a self number, because there is not a number n which added to its sum of digits gives 220221001211122.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2349027253 + ... + 2349121000.

It is an arithmetic number, because the mean of its divisors is an integer number (21564500485860).

Almost surely, 2^{220221001211122} is an apocalyptic number.

220221001211122 is a deficient number, since it is larger than the sum of its proper divisors (124811006562638).

220221001211122 is a wasteful number, since it uses less digits than its factorization.

220221001211122 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4698149297.

The product of its (nonzero) digits is 128, while the sum is 19.

Adding to 220221001211122 its reverse (221112100122022), we get a palindrome (441333101333144).

The spelling of 220221001211122 in words is "two hundred twenty trillion, two hundred twenty-one billion, one million, two hundred eleven thousand, one hundred twenty-two".