11001020102121 has 24 divisors (see below), whose sum is σ = 17062943800224. Its totient is φ = 6286246686720.

The previous prime is 11001020102117. The next prime is 11001020102203. The reversal of 11001020102121 is 12120102010011.

It is not a de Polignac number, because 11001020102121 - 2² = 11001020102117 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 11001020102097 and 11001020102106.

It is not an unprimeable number, because it can be changed into a prime (11001020002121) 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 23 ways as a sum of consecutive naturals, for example, 25643241 + ... + 26068713.

It is an arithmetic number, because the mean of its divisors is an integer number (710955991676).

Almost surely, 2^{11001020102121} is an apocalyptic number.

It is an amenable number.

11001020102121 is a deficient number, since it is larger than the sum of its proper divisors (6061923698103).

11001020102121 is a wasteful number, since it uses less digits than its factorization.

11001020102121 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 601381 (or 601374 counting only the distinct ones).

The product of its (nonzero) digits is 8, while the sum is 12.

Adding to 11001020102121 its reverse (12120102010011), we get a palindrome (23121122112132).

The spelling of 11001020102121 in words is "eleven trillion, one billion, twenty million, one hundred two thousand, one hundred twenty-one".