221210020022 has 16 divisors (see below), whose sum is σ = 339941163744. Its totient is φ = 107896824000.

The previous prime is 221210019949. The next prime is 221210020049. The reversal of 221210020022 is 220020012122.

It is a junction number, because it is equal to n+sod(n) for n = 221210019979 and 221210020006.

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, 752372 + ... + 1004232.

It is an arithmetic number, because the mean of its divisors is an integer number (21246322734).

Almost surely, 2^221210020022 is an apocalyptic number.

221210020022 is a deficient number, since it is larger than the sum of its proper divisors (118731143722).

221210020022 is a wasteful number, since it uses less digits than its factorization.

221210020022 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 262615.

The product of its (nonzero) digits is 64, while the sum is 14.

Adding to 221210020022 its reverse (220020012122), we get a palindrome (441230032144).

The spelling of 221210020022 in words is "two hundred twenty-one billion, two hundred ten million, twenty thousand, twenty-two".