221201102201 has 4 divisors (see below), whose sum is σ = 221210726400. Its totient is φ = 221191478004.

The previous prime is 221201102189. The next prime is 221201102207. The reversal of 221201102201 is 102201102122.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 221201102201 - 2⁶ = 221201102137 is a prime.

It is a super-2 number, since 2×221201102201² (a number of 23 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (221201102207) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 4777541 + ... + 4823618.

It is an arithmetic number, because the mean of its divisors is an integer number (55302681600).

Almost surely, 2^221201102201 is an apocalyptic number.

It is an amenable number.

221201102201 is a deficient number, since it is larger than the sum of its proper divisors (9624199).

221201102201 is an equidigital number, since it uses as much as digits as its factorization.

221201102201 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9624198.

The product of its (nonzero) digits is 32, while the sum is 14.

Adding to 221201102201 its reverse (102201102122), we get a palindrome (323402204323).

The spelling of 221201102201 in words is "two hundred twenty-one billion, two hundred one million, one hundred two thousand, two hundred one".