11102002211021 has 8 divisors (see below), whose sum is σ = 11484903804600. Its totient is φ = 10719105546240.

The previous prime is 11102002211009. The next prime is 11102002211023. The reversal of 11102002211021 is 12011220020111.

11102002211021 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in 4 ways, for example, as 106716555625 + 10995285655396 = 326675^2 + 3315914^2 .

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 11102002211021 - 2²² = 11101998016717 is a prime.

It is a super-3 number, since 3×11102002211021³ (a number of 40 digits) contains 333 as substring. Note that it is a super-d number also for d = 2.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 11102002210987 and 11102002211005.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (11102002211023) 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, 3682781 + ... + 5980541.

It is an arithmetic number, because the mean of its divisors is an integer number (1435612975575).

Almost surely, 2^{11102002211021} is an apocalyptic number.

It is an amenable number.

11102002211021 is a deficient number, since it is larger than the sum of its proper divisors (382901593579).

11102002211021 is a wasteful number, since it uses less digits than its factorization.

11102002211021 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2464399.

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

Adding to 11102002211021 its reverse (12011220020111), we get a palindrome (23113222231132).

The spelling of 11102002211021 in words is "eleven trillion, one hundred two billion, two million, two hundred eleven thousand, twenty-one".