220101121222 has 64 divisors (see below), whose sum is σ = 357464352960. Its totient is φ = 101323008000.

The previous prime is 220101121211. The next prime is 220101121231. The reversal of 220101121222 is 222121101022.

It is a happy number.

220101121222 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a junction number, because it is equal to n+sod(n) for n = 220101121196 and 220101121205.

It is a congruent number.

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, 200638578 + ... + 200639674.

It is an arithmetic number, because the mean of its divisors is an integer number (5585380515).

Almost surely, 2^220101121222 is an apocalyptic number.

220101121222 is a deficient number, since it is larger than the sum of its proper divisors (137363231738).

220101121222 is a wasteful number, since it uses less digits than its factorization.

220101121222 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2137.

The product of its (nonzero) digits is 64, while the sum is 16.

Adding to 220101121222 its reverse (222121101022), we get a palindrome (442222222244).

The spelling of 220101121222 in words is "two hundred twenty billion, one hundred one million, one hundred twenty-one thousand, two hundred twenty-two".