220021101022 has 16 divisors (see below), whose sum is σ = 341470773360. Its totient is φ = 106198814848.

The previous prime is 220021101017. The next prime is 220021101061. The reversal of 220021101022 is 220101120022.

It is a happy number.

It is a junction number, because it is equal to n+sod(n) for n = 220021100993 and 220021101011.

It is a congruent number.

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, 16998 + ... + 663574.

It is an arithmetic number, because the mean of its divisors is an integer number (21341923335).

Almost surely, 2^220021101022 is an apocalyptic number.

220021101022 is a deficient number, since it is larger than the sum of its proper divisors (121449672338).

220021101022 is a wasteful number, since it uses less digits than its factorization.

220021101022 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 652475.

The product of its (nonzero) digits is 32, while the sum is 13.

Adding to 220021101022 its reverse (220101120022), we get a palindrome (440122221044).

The spelling of 220021101022 in words is "two hundred twenty billion, twenty-one million, one hundred one thousand, twenty-two".