11021602102121 has 8 divisors (see below), whose sum is σ = 11869607145480. Its totient is φ = 10173624129792.

The previous prime is 11021602102117. The next prime is 11021602102141. The reversal of 11021602102121 is 12120120612011.

It can be written as a sum of positive squares in 4 ways, for example, as 3409857696400 + 7611744405721 = 1846580^2 + 2758939^2 .

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 11021602102121 - 2² = 11021602102117 is a prime.

It is a super-3 number, since 3×11021602102121³ (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 Curzon number.

It is a junction number, because it is equal to n+sod(n) for n = 11021602102093 and 11021602102102.

It is not an unprimeable number, because it can be changed into a prime (11021602102141) 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, 5918210 + ... + 7554363.

It is an arithmetic number, because the mean of its divisors is an integer number (1483700893185).

Almost surely, 2^{11021602102121} is an apocalyptic number.

It is an amenable number.

11021602102121 is a deficient number, since it is larger than the sum of its proper divisors (848005043359).

11021602102121 is a wasteful number, since it uses less digits than its factorization.

11021602102121 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 13535515.

The product of its (nonzero) digits is 96, while the sum is 20.

Adding to 11021602102121 its reverse (12120120612011), we get a palindrome (23141722714132).

The spelling of 11021602102121 in words is "eleven trillion, twenty-one billion, six hundred two million, one hundred two thousand, one hundred twenty-one".