11102101221 has 8 divisors (see below), whose sum is σ = 14831107360. Its totient is φ = 7387247952.

The previous prime is 11102101211. The next prime is 11102101247. The reversal of 11102101221 is 12210120111.

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

It is not a de Polignac number, because 11102101221 - 2²² = 11097906917 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 11102101197 and 11102101206.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (11102101211) 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, 3536386 + ... + 3539523.

It is an arithmetic number, because the mean of its divisors is an integer number (1853888420).

Almost surely, 2^11102101221 is an apocalyptic number.

It is an amenable number.

11102101221 is a deficient number, since it is larger than the sum of its proper divisors (3729006139).

11102101221 is an equidigital number, since it uses as much as digits as its factorization.

11102101221 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7076435.

The product of its (nonzero) digits is 8, while the sum is 12.

Adding to 11102101221 its reverse (12210120111), we get a palindrome (23312221332).

The spelling of 11102101221 in words is "eleven billion, one hundred two million, one hundred one thousand, two hundred twenty-one".