222101200220020 has 48 divisors (see below), whose sum is σ = 514943943772608. Its totient is φ = 79791011682560.

The previous prime is 222101200219967. The next prime is 222101200220047. The reversal of 222101200220020 is 20022002101222.

It is a junction number, because it is equal to n+sod(n) for n = 222101200219976 and 222101200220003.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (31) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 6081613729 + ... + 6081650248.

It is an arithmetic number, because the mean of its divisors is an integer number (10727998828596).

Almost surely, 2^{222101200220020} is an apocalyptic number.

222101200220020 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

222101200220020 is an abundant number, since it is smaller than the sum of its proper divisors (292842743552588).

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

222101200220020 is a wasteful number, since it uses less digits than its factorization.

222101200220020 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 12163264080 (or 12163264078 counting only the distinct ones).

The product of its (nonzero) digits is 128, while the sum is 16.

Adding to 222101200220020 its reverse (20022002101222), we get a palindrome (242123202321242).

The spelling of 222101200220020 in words is "two hundred twenty-two trillion, one hundred one billion, two hundred million, two hundred twenty thousand, twenty".