11102110021021 has 8 divisors (see below), whose sum is σ = 11126205342720. Its totient is φ = 11078016076608.

The previous prime is 11102110020923. The next prime is 11102110021033. The reversal of 11102110021021 is 12012001120111.

It is a happy number.

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 11102110021021 - 2³⁹ = 10552354207133 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 11102110020992 and 11102110021010.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (11102110021091) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 16709845 + ... + 17361541.

It is an arithmetic number, because the mean of its divisors is an integer number (1390775667840).

Almost surely, 2^{11102110021021} is an apocalyptic number.

It is an amenable number.

11102110021021 is a deficient number, since it is larger than the sum of its proper divisors (24095321699).

11102110021021 is an equidigital number, since it uses as much as digits as its factorization.

11102110021021 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 688643.

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

Adding to 11102110021021 its reverse (12012001120111), we get a palindrome (23114111141132).

The spelling of 11102110021021 in words is "eleven trillion, one hundred two billion, one hundred ten million, twenty-one thousand, twenty-one".