11011110101021 has 8 divisors (see below), whose sum is σ = 11025500205888. Its totient is φ = 10996722000000.

The previous prime is 11011110101003. The next prime is 11011110101203. The reversal of 11011110101021 is 12010101111011.

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 11011110101021 - 2³⁰ = 11010036359197 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 11011110100993 and 11011110101011.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (11011110104021) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 10658381 + ... + 11645741.

It is an arithmetic number, because the mean of its divisors is an integer number (1378187525736).

Almost surely, 2^{11011110101021} is an apocalyptic number.

It is an amenable number.

11011110101021 is a deficient number, since it is larger than the sum of its proper divisors (14390104867).

11011110101021 is an equidigital number, since it uses as much as digits as its factorization.

11011110101021 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1001923.

The product of its (nonzero) digits is 2, while the sum is 11.

Adding to 11011110101021 its reverse (12010101111011), we get a palindrome (23021211212032).

The spelling of 11011110101021 in words is "eleven trillion, eleven billion, one hundred ten million, one hundred one thousand, twenty-one".