11000220215121 has 96 divisors (see below), whose sum is σ = 17206342852608. Its totient is φ = 7014970811520.

The previous prime is 11000220215087. The next prime is 11000220215123. The reversal of 11000220215121 is 12151202200011.

11000220215121 is a `hidden beast` number, since 110 + 0 + 0 + 2 + 20 + 21 + 512 + 1 = 666.

It is not a de Polignac number, because 11000220215121 - 2⁶ = 11000220215057 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 11000220215094 and 11000220215103.

It is not an unprimeable number, because it can be changed into a prime (11000220215123) 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 95 ways as a sum of consecutive naturals, for example, 368341236 + ... + 368371098.

It is an arithmetic number, because the mean of its divisors is an integer number (179232738048).

Almost surely, 2^{11000220215121} is an apocalyptic number.

It is an amenable number.

11000220215121 is a deficient number, since it is larger than the sum of its proper divisors (6206122637487).

11000220215121 is a wasteful number, since it uses less digits than its factorization.

11000220215121 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 30473 (or 30461 counting only the distinct ones).

The product of its (nonzero) digits is 80, while the sum is 18.

Adding to 11000220215121 its reverse (12151202200011), we get a palindrome (23151422415132).

The spelling of 11000220215121 in words is "eleven trillion, two hundred twenty million, two hundred fifteen thousand, one hundred twenty-one".