221101110010201 has 8 divisors (see below), whose sum is σ = 226243248400224. Its totient is φ = 215958983079840.

The previous prime is 221101110010139. The next prime is 221101110010217. The reversal of 221101110010201 is 102010011101122.

It is a happy number.

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

It is a cyclic number.

It is not a de Polignac number, because 221101110010201 - 2⁷ = 221101110010073 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (221101110010601) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 45592845 + ... + 50208661.

It is an arithmetic number, because the mean of its divisors is an integer number (28280406050028).

Almost surely, 2^{221101110010201} is an apocalyptic number.

It is an amenable number.

221101110010201 is a deficient number, since it is larger than the sum of its proper divisors (5142138390023).

221101110010201 is a wasteful number, since it uses less digits than its factorization.

221101110010201 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5729831.

The product of its (nonzero) digits is 8, while the sum is 13.

Adding to 221101110010201 its reverse (102010011101122), we get a palindrome (323111121111323).

The spelling of 221101110010201 in words is "two hundred twenty-one trillion, one hundred one billion, one hundred ten million, ten thousand, two hundred one".