11011202110021 has 8 divisors (see below), whose sum is σ = 12094684240320. Its totient is φ = 9978114497472.

The previous prime is 11011202110003. The next prime is 11011202110033. The reversal of 11011202110021 is 12001120211011.

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 11011202110021 - 2¹⁹ = 11011201585733 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 11011202109983 and 11011202110010.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (11011202110001) 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, 12598628980 + ... + 12598629853.

It is an arithmetic number, because the mean of its divisors is an integer number (1511835530040).

Almost surely, 2^{11011202110021} is an apocalyptic number.

It is an amenable number.

11011202110021 is a deficient number, since it is larger than the sum of its proper divisors (1083482130299).

11011202110021 is a wasteful number, since it uses less digits than its factorization.

11011202110021 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 25197258875.

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

Adding to 11011202110021 its reverse (12001120211011), we get a palindrome (23012322321032).

The spelling of 11011202110021 in words is "eleven trillion, eleven billion, two hundred two million, one hundred ten thousand, twenty-one".