220221112101 has 8 divisors (see below), whose sum is σ = 295771421184. Its totient is φ = 145742438880.

The previous prime is 220221112091. The next prime is 220221112121. The reversal of 220221112101 is 101211122022.

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

It is not a de Polignac number, because 220221112101 - 2³¹ = 218073628453 is a prime.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (220221112121) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 267908485 + ... + 267909306.

It is an arithmetic number, because the mean of its divisors is an integer number (36971427648).

Almost surely, 2^220221112101 is an apocalyptic number.

It is an amenable number.

220221112101 is a deficient number, since it is larger than the sum of its proper divisors (75550309083).

220221112101 is a wasteful number, since it uses less digits than its factorization.

220221112101 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 535817931.

The product of its (nonzero) digits is 32, while the sum is 15.

Adding to 220221112101 its reverse (101211122022), we get a palindrome (321432234123).

The spelling of 220221112101 in words is "two hundred twenty billion, two hundred twenty-one million, one hundred twelve thousand, one hundred one".