221011110201 has 8 divisors (see below), whose sum is σ = 336778834624. Its totient is φ = 126292062960.

The previous prime is 221011110179. The next prime is 221011110211. The reversal of 221011110201 is 102011110122.

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

It is not a de Polignac number, because 221011110201 - 2⁹ = 221011109689 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (221011110211) 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, 5262169270 + ... + 5262169311.

It is an arithmetic number, because the mean of its divisors is an integer number (42097354328).

Almost surely, 2^221011110201 is an apocalyptic number.

221011110201 is a gapful number since it is divisible by the number (21) formed by its first and last digit.

It is an amenable number.

221011110201 is a deficient number, since it is larger than the sum of its proper divisors (115767724423).

221011110201 is a wasteful number, since it uses less digits than its factorization.

221011110201 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10524338591.

The product of its (nonzero) digits is 8, while the sum is 12.

Adding to 221011110201 its reverse (102011110122), we get a palindrome (323022220323).

The spelling of 221011110201 in words is "two hundred twenty-one billion, eleven million, one hundred ten thousand, two hundred one".