221101221112022 has 8 divisors (see below), whose sum is σ = 331678898695056. Its totient is φ = 110541588213672.

The previous prime is 221101221111989. The next prime is 221101221112033. The reversal of 221101221112022 is 220211122101122.

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 = 221101221111985 and 221101221112003.

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, 4511140538 + ... + 4511189549.

It is an arithmetic number, because the mean of its divisors is an integer number (41459862336882).

Almost surely, 2^{221101221112022} is an apocalyptic number.

221101221112022 is a deficient number, since it is larger than the sum of its proper divisors (110577677583034).

221101221112022 is a wasteful number, since it uses less digits than its factorization.

221101221112022 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9022342342.

The product of its (nonzero) digits is 128, while the sum is 20.

Adding to 221101221112022 its reverse (220211122101122), we get a palindrome (441312343213144).

The spelling of 221101221112022 in words is "two hundred twenty-one trillion, one hundred one billion, two hundred twenty-one million, one hundred twelve thousand, twenty-two".