221101102001101 has 8 divisors (see below), whose sum is σ = 252758943830144. Its totient is φ = 189461252700720.

The previous prime is 221101102001069. The next prime is 221101102001113. The reversal of 221101102001101 is 101100201101122.

It is a happy number.

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

It is not a de Polignac number, because 221101102001101 - 2⁵ = 221101102001069 is a prime.

It is a super-2 number, since 2×221101102001101² (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 (221101102001161) 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, 4498105830 + ... + 4498154983.

It is an arithmetic number, because the mean of its divisors is an integer number (31594867978768).

Almost surely, 2^{221101102001101} is an apocalyptic number.

It is an amenable number.

221101102001101 is a deficient number, since it is larger than the sum of its proper divisors (31657841829043).

221101102001101 is an equidigital number, since it uses as much as digits as its factorization.

221101102001101 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8996264331.

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

Adding to 221101102001101 its reverse (101100201101122), we get a palindrome (322201303102223).

The spelling of 221101102001101 in words is "two hundred twenty-one trillion, one hundred one billion, one hundred two million, one thousand, one hundred one".