11021100002121 has 16 divisors (see below), whose sum is σ = 16057453363200. Its totient is φ = 6668303525520.

The previous prime is 11021100002119. The next prime is 11021100002189. The reversal of 11021100002121 is 12120000112011.

It is not a de Polignac number, because 11021100002121 - 2¹ = 11021100002119 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 11021100002097 and 11021100002106.

It is not an unprimeable number, because it can be changed into a prime (11021100002221) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 278755465 + ... + 278794998.

It is an arithmetic number, because the mean of its divisors is an integer number (1003590835200).

Almost surely, 2^{11021100002121} is an apocalyptic number.

11021100002121 is a gapful number since it is divisible by the number (11) formed by its first and last digit.

It is an amenable number.

11021100002121 is a deficient number, since it is larger than the sum of its proper divisors (5036353361079).

11021100002121 is a wasteful number, since it uses less digits than its factorization.

11021100002121 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 557551076.

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

Adding to 11021100002121 its reverse (12120000112011), we get a palindrome (23141100114132).

The spelling of 11021100002121 in words is "eleven trillion, twenty-one billion, one hundred million, two thousand, one hundred twenty-one".