221022100200220 has 48 divisors (see below), whose sum is σ = 506892509222400. Its totient is φ = 80284217152320.

The previous prime is 221022100200203. The next prime is 221022100200259. The reversal of 221022100200220 is 22002001220122.

It is a junction number, because it is equal to n+sod(n) for n = 221022100200194 and 221022100200203.

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, 546395160 + ... + 546799519.

It is an arithmetic number, because the mean of its divisors is an integer number (10560260608800).

Almost surely, 2^{221022100200220} is an apocalyptic number.

221022100200220 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

221022100200220 is an abundant number, since it is smaller than the sum of its proper divisors (285870409022180).

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

221022100200220 is a wasteful number, since it uses less digits than its factorization.

221022100200220 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1093195618 (or 1093195616 counting only the distinct ones).

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

Adding to 221022100200220 its reverse (22002001220122), we get a palindrome (243024101420342).

The spelling of 221022100200220 in words is "two hundred twenty-one trillion, twenty-two billion, one hundred million, two hundred thousand, two hundred twenty".