11222200002121 has 2 divisors, whose sum is σ = 11222200002122. Its totient is φ = 11222200002120.

The previous prime is 11222200002109. The next prime is 11222200002161. The reversal of 11222200002121 is 12120000222211.

It is a happy number.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 9711550064896 + 1510649937225 = 3116336^2 + 1229085^2 .

It is a cyclic number.

It is not a de Polignac number, because 11222200002121 - 2⁷ = 11222200001993 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 11222200002095 and 11222200002104.

It is not a weakly prime, because it can be changed into another prime (11222200002161) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5611100001060 + 5611100001061.

It is an arithmetic number, because the mean of its divisors is an integer number (5611100001061).

Almost surely, 2^{11222200002121} is an apocalyptic number.

It is an amenable number.

11222200002121 is a deficient number, since it is larger than the sum of its proper divisors (1).

11222200002121 is an equidigital number, since it uses as much as digits as its factorization.

11222200002121 is an evil number, because the sum of its binary digits is even.

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

Adding to 11222200002121 its reverse (12120000222211), we get a palindrome (23342200224332).

The spelling of 11222200002121 in words is "eleven trillion, two hundred twenty-two billion, two hundred million, two thousand, one hundred twenty-one".