221002100020022 has 32 divisors (see below), whose sum is σ = 355576796766720. Its totient is φ = 102697839709920.

The previous prime is 221002100020007. The next prime is 221002100020063. The reversal of 221002100020022 is 220020001200122.

It is a junction number, because it is equal to n+sod(n) for n = 221002100019979 and 221002100020006.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 10505747 + ... + 23502657.

It is an arithmetic number, because the mean of its divisors is an integer number (11111774898960).

Almost surely, 2^{221002100020022} is an apocalyptic number.

221002100020022 is a deficient number, since it is larger than the sum of its proper divisors (134574696746698).

221002100020022 is a wasteful number, since it uses less digits than its factorization.

221002100020022 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 13005428.

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

Adding to 221002100020022 its reverse (220020001200122), we get a palindrome (441022101220144).

The spelling of 221002100020022 in words is "two hundred twenty-one trillion, two billion, one hundred million, twenty thousand, twenty-two".