221011020022 has 16 divisors (see below), whose sum is σ = 357335763120. Its totient is φ = 101914240032.

The previous prime is 221011020011. The next prime is 221011020023. The reversal of 221011020022 is 220020110122.

It is a happy number.

221011020022 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a Harshad number since it is a multiple of its sum of digits (13).

It is a junction number, because it is equal to n+sod(n) for n = 221011019984 and 221011020011.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (221011020023) by changing a digit.

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 7 ways as a sum of consecutive naturals, for example, 3755497 + ... + 3813892.

It is an arithmetic number, because the mean of its divisors is an integer number (22333485195).

Almost surely, 2^221011020022 is an apocalyptic number.

221011020022 is a deficient number, since it is larger than the sum of its proper divisors (136324743098).

221011020022 is a wasteful number, since it uses less digits than its factorization.

221011020022 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7570527.

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

Adding to 221011020022 its reverse (220020110122), we get a palindrome (441031130144).

The spelling of 221011020022 in words is "two hundred twenty-one billion, eleven million, twenty thousand, twenty-two".