220100221122 has 16 divisors (see below), whose sum is σ = 440206939200. Its totient is φ = 73365657552.

The previous prime is 220100221087. The next prime is 220100221151. The reversal of 220100221122 is 221122001022.

It is an unprimeable number.

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 7 ways as a sum of consecutive naturals, for example, 245388 + ... + 707400.

It is an arithmetic number, because the mean of its divisors is an integer number (27512933700).

Almost surely, 2^220100221122 is an apocalyptic number.

220100221122 is an abundant number, since it is smaller than the sum of its proper divisors (220106718078).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

220100221122 is a wasteful number, since it uses less digits than its factorization.

220100221122 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 541417.

The product of its (nonzero) digits is 64, while the sum is 15.

Adding to 220100221122 its reverse (221122001022), we get a palindrome (441222222144).

The spelling of 220100221122 in words is "two hundred twenty billion, one hundred million, two hundred twenty-one thousand, one hundred twenty-two".