11102101121221 has 8 divisors (see below), whose sum is σ = 12112961575104. Its totient is φ = 10091503756320.

The previous prime is 11102101121213. The next prime is 11102101121249. The reversal of 11102101121221 is 12212110120111.

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 11102101121221 - 2³ = 11102101121213 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 11102101121195 and 11102101121204.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (11102101121621) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 65684001 + ... + 65852806.

It is an arithmetic number, because the mean of its divisors is an integer number (1514120196888).

Almost surely, 2^{11102101121221} is an apocalyptic number.

11102101121221 is a gapful number since it is divisible by the number (11) formed by its first and last digit.

It is an amenable number.

11102101121221 is a deficient number, since it is larger than the sum of its proper divisors (1010860453883).

11102101121221 is a wasteful number, since it uses less digits than its factorization.

11102101121221 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 131544491.

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

Adding to 11102101121221 its reverse (12212110120111), we get a palindrome (23314211241332).

The spelling of 11102101121221 in words is "eleven trillion, one hundred two billion, one hundred one million, one hundred twenty-one thousand, two hundred twenty-one".