11102102102021 has 8 divisors (see below), whose sum is σ = 12688702619904. Its totient is φ = 9515648067120.

The previous prime is 11102102102017. The next prime is 11102102102041. The reversal of 11102102102021 is 12020120120111.

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 11102102102021 - 2² = 11102102102017 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is a junction number, because it is equal to n+sod(n) for n = 11102102101987 and 11102102102005.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (11102102102041) 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, 36458285 + ... + 36761538.

It is an arithmetic number, because the mean of its divisors is an integer number (1586087827488).

Almost surely, 2^{11102102102021} is an apocalyptic number.

It is an amenable number.

11102102102021 is a deficient number, since it is larger than the sum of its proper divisors (1586600517883).

11102102102021 is an equidigital number, since it uses as much as digits as its factorization.

11102102102021 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 73241491.

The product of its (nonzero) digits is 16, while the sum is 14.

Adding to 11102102102021 its reverse (12020120120111), we get a palindrome (23122222222132).

The spelling of 11102102102021 in words is "eleven trillion, one hundred two billion, one hundred two million, one hundred two thousand, twenty-one".