221000211020022 has 48 divisors (see below), whose sum is σ = 521963929437696. Its totient is φ = 61106049118800.

The previous prime is 221000211019957. The next prime is 221000211020047. The reversal of 221000211020022 is 220020112000122.

It is a junction number, because it is equal to n+sod(n) for n = 221000211019983 and 221000211020010.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (29) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 2737685854 + ... + 2737766577.

It is an arithmetic number, because the mean of its divisors is an integer number (10874248529952).

Almost surely, 2^{221000211020022} is an apocalyptic number.

221000211020022 is an abundant number, since it is smaller than the sum of its proper divisors (300963718417674).

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

221000211020022 is a wasteful number, since it uses less digits than its factorization.

221000211020022 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5475452505 (or 5475452474 counting only the distinct ones).

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

Adding to 221000211020022 its reverse (220020112000122), we get a palindrome (441020323020144).

The spelling of 221000211020022 in words is "two hundred twenty-one trillion, two hundred eleven million, twenty thousand, twenty-two".