221100101202201 has 8 divisors (see below), whose sum is σ = 317477068392960. Its totient is φ = 136061600739792.

The previous prime is 221100101202163. The next prime is 221100101202203. The reversal of 221100101202201 is 102202101001122.

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

It is not a de Polignac number, because 221100101202201 - 2¹⁹ = 221100100677913 is a prime.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (221100101202203) 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, 2834616682041 + ... + 2834616682118.

It is an arithmetic number, because the mean of its divisors is an integer number (39684633549120).

Almost surely, 2^{221100101202201} is an apocalyptic number.

It is an amenable number.

221100101202201 is a deficient number, since it is larger than the sum of its proper divisors (96376967190759).

221100101202201 is a wasteful number, since it uses less digits than its factorization.

221100101202201 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5669233364175.

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

Adding to 221100101202201 its reverse (102202101001122), we get a palindrome (323302202203323).

The spelling of 221100101202201 in words is "two hundred twenty-one trillion, one hundred billion, one hundred one million, two hundred two thousand, two hundred one".