221100201022 has 8 divisors (see below), whose sum is σ = 331681366656. Its totient is φ = 110539745472.

The previous prime is 221100200987. The next prime is 221100201041. The reversal of 221100201022 is 220102001122.

It is a happy number.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a junction number, because it is equal to n+sod(n) for n = 221100200993 and 221100201011.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 5150803 + ... + 5193550.

It is an arithmetic number, because the mean of its divisors is an integer number (41460170832).

Almost surely, 2^221100201022 is an apocalyptic number.

221100201022 is a deficient number, since it is larger than the sum of its proper divisors (110581165634).

221100201022 is a wasteful number, since it uses less digits than its factorization.

221100201022 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10355042.

The product of its (nonzero) digits is 32, while the sum is 13.

Adding to 221100201022 its reverse (220102001122), we get a palindrome (441202202144).

The spelling of 221100201022 in words is "two hundred twenty-one billion, one hundred million, two hundred one thousand, twenty-two".