221011320201 has 8 divisors (see below), whose sum is σ = 336779154624. Its totient is φ = 126292182960.

The previous prime is 221011320191. The next prime is 221011320239. The reversal of 221011320201 is 102023110122.

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

It is not a de Polignac number, because 221011320201 - 2²³ = 221002931593 is a prime.

It is not an unprimeable number, because it can be changed into a prime (221011320241) 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, 5262174270 + ... + 5262174311.

It is an arithmetic number, because the mean of its divisors is an integer number (42097394328).

Almost surely, 2^221011320201 is an apocalyptic number.

221011320201 is a gapful number since it is divisible by the number (21) formed by its first and last digit.

It is an amenable number.

221011320201 is a deficient number, since it is larger than the sum of its proper divisors (115767834423).

221011320201 is a wasteful number, since it uses less digits than its factorization.

221011320201 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10524348591.

The product of its (nonzero) digits is 48, while the sum is 15.

Adding to 221011320201 its reverse (102023110122), we get a palindrome (323034430323).

The spelling of 221011320201 in words is "two hundred twenty-one billion, eleven million, three hundred twenty thousand, two hundred one".