11221200001121 has 16 divisors (see below), whose sum is σ = 12379142805120. Its totient is φ = 10086234871680.

The previous prime is 11221200001057. The next prime is 11221200001127. The reversal of 11221200001121 is 12110000212211.

It is not a de Polignac number, because 11221200001121 - 2⁶ = 11221200001057 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 11221200001096 and 11221200001105.

It is not an unprimeable number, because it can be changed into a prime (11221200001127) 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, 51746495 + ... + 51962891.

It is an arithmetic number, because the mean of its divisors is an integer number (773696425320).

Almost surely, 2^{11221200001121} is an apocalyptic number.

11221200001121 is a gapful number since it is divisible by the number (11) formed by its first and last digit.

It is an amenable number.

11221200001121 is a deficient number, since it is larger than the sum of its proper divisors (1157942803999).

11221200001121 is a wasteful number, since it uses less digits than its factorization.

11221200001121 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 269464.

The product of its (nonzero) digits is 16, while the sum is 14.

Adding to 11221200001121 its reverse (12110000212211), we get a palindrome (23331200213332).

The spelling of 11221200001121 in words is "eleven trillion, two hundred twenty-one billion, two hundred million, one thousand, one hundred twenty-one".