201101002221 has 8 divisors (see below), whose sum is σ = 306439622464. Its totient is φ = 114914858400.

The previous prime is 201101002163. The next prime is 201101002229. The reversal of 201101002221 is 122200101102.

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

It is not a de Polignac number, because 201101002221 - 2¹⁰ = 201101001197 is a prime.

It is a super-2 number, since 2×201101002221² (a number of 23 digits) contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 201101002197 and 201101002206.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (201101002229) 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, 4788119080 + ... + 4788119121.

It is an arithmetic number, because the mean of its divisors is an integer number (38304952808).

Almost surely, 2^201101002221 is an apocalyptic number.

201101002221 is a gapful number since it is divisible by the number (21) formed by its first and last digit.

It is an amenable number.

201101002221 is a deficient number, since it is larger than the sum of its proper divisors (105338620243).

201101002221 is an equidigital number, since it uses as much as digits as its factorization.

201101002221 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9576238211.

The product of its (nonzero) digits is 16, while the sum is 12.

Adding to 201101002221 its reverse (122200101102), we get a palindrome (323301103323).

The spelling of 201101002221 in words is "two hundred one billion, one hundred one million, two thousand, two hundred twenty-one".