11200222200121 has 4 divisors (see below), whose sum is σ = 11207217968244. Its totient is φ = 11193226432000.

The previous prime is 11200222200109. The next prime is 11200222200133. The reversal of 11200222200121 is 12100222200211.

It is a happy number.

It is a semiprime because it is the product of two primes.

It is an interprime number because it is at equal distance from previous prime (11200222200109) and next prime (11200222200133).

It can be written as a sum of positive squares in 2 ways, for example, as 10889577604096 + 310644596025 = 3299936^2 + 557355^2 .

It is a cyclic number.

It is not a de Polignac number, because 11200222200121 - 2¹⁵ = 11200222167353 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 11200222200095 and 11200222200104.

It is not an unprimeable number, because it can be changed into a prime (11200222230121) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 3497881660 + ... + 3497884861.

It is an arithmetic number, because the mean of its divisors is an integer number (2801804492061).

Almost surely, 2^{11200222200121} is an apocalyptic number.

It is an amenable number.

11200222200121 is a deficient number, since it is larger than the sum of its proper divisors (6995768123).

11200222200121 is an equidigital number, since it uses as much as digits as its factorization.

11200222200121 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6995768122.

The product of its (nonzero) digits is 64, while the sum is 16.

Adding to 11200222200121 its reverse (12100222200211), we get a palindrome (23300444400332).

The spelling of 11200222200121 in words is "eleven trillion, two hundred billion, two hundred twenty-two million, two hundred thousand, one hundred twenty-one".