221201102201101 has 8 divisors (see below), whose sum is σ = 244021644921600. Its totient is φ = 198832451415840.

The previous prime is 221201102201047. The next prime is 221201102201137. The reversal of 221201102201101 is 101102201102122.

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

It is not a de Polignac number, because 221201102201101 - 2⁷ = 221201102200973 is a prime.

It is a super-2 number, since 2×221201102201101² (a number of 29 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (221201102204101) 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, 112972982781 + ... + 112972984738.

It is an arithmetic number, because the mean of its divisors is an integer number (30502705615200).

Almost surely, 2^{221201102201101} is an apocalyptic number.

It is an amenable number.

221201102201101 is a deficient number, since it is larger than the sum of its proper divisors (22820542720499).

221201102201101 is a wasteful number, since it uses less digits than its factorization.

221201102201101 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 225945967619.

The product of its (nonzero) digits is 32, while the sum is 16.

Adding to 221201102201101 its reverse (101102201102122), we get a palindrome (322303303303223).

The spelling of 221201102201101 in words is "two hundred twenty-one trillion, two hundred one billion, one hundred two million, two hundred one thousand, one hundred one".