11221102200121 has 16 divisors (see below), whose sum is σ = 12360297426048. Its totient is φ = 10101760128000.

The previous prime is 11221102200109. The next prime is 11221102200149. The reversal of 11221102200121 is 12100220112211.

It is a cyclic number.

It is not a de Polignac number, because 11221102200121 - 2¹⁷ = 11221102069049 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 11221102200095 and 11221102200104.

It is not an unprimeable number, because it can be changed into a prime (11221102200521) 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 15 ways as a sum of consecutive naturals, for example, 112272271 + ... + 112372171.

It is an arithmetic number, because the mean of its divisors is an integer number (772518589128).

Almost surely, 2^{11221102200121} is an apocalyptic number.

11221102200121 is a gapful number since it is divisible by the number (11) formed by its first and last digit.

It is an amenable number.

11221102200121 is a deficient number, since it is larger than the sum of its proper divisors (1139195225927).

11221102200121 is a wasteful number, since it uses less digits than its factorization.

11221102200121 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 199152.

The product of its (nonzero) digits is 32, while the sum is 16.

Adding to 11221102200121 its reverse (12100220112211), we get a palindrome (23321322312332).

The spelling of 11221102200121 in words is "eleven trillion, two hundred twenty-one billion, one hundred two million, two hundred thousand, one hundred twenty-one".