2200001121121 has 2 divisors, whose sum is σ = 2200001121122. Its totient is φ = 2200001121120.

The previous prime is 2200001121061. The next prime is 2200001121127. The reversal of 2200001121121 is 1211211000022.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 1718970099025 + 481031022096 = 1311095^2 + 693564^2 .

It is a cyclic number.

It is not a de Polignac number, because 2200001121121 - 2¹³ = 2200001112929 is a prime.

It is not a weakly prime, because it can be changed into another prime (2200001121127) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1100000560560 + 1100000560561.

It is an arithmetic number, because the mean of its divisors is an integer number (1100000560561).

Almost surely, 2^{2200001121121} is an apocalyptic number.

It is an amenable number.

2200001121121 is a deficient number, since it is larger than the sum of its proper divisors (1).

2200001121121 is an equidigital number, since it uses as much as digits as its factorization.

2200001121121 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 16, while the sum is 13.

Adding to 2200001121121 its reverse (1211211000022), we get a palindrome (3411212121143).

The spelling of 2200001121121 in words is "two trillion, two hundred billion, one million, one hundred twenty-one thousand, one hundred twenty-one".