2002202201081 has 2 divisors, whose sum is σ = 2002202201082. Its totient is φ = 2002202201080.

The previous prime is 2002202201029. The next prime is 2002202201267. The reversal of 2002202201081 is 1801022022002.

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., 1107579437056 + 894622764025 = 1052416^2 + 945845^2 .

It is a cyclic number.

It is not a de Polignac number, because 2002202201081 - 2³⁰ = 2001128459257 is a prime.

It is a super-2 number, since 2×2002202201081² (a number of 25 digits) contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (2002202281081) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1001101100540 + 1001101100541.

It is an arithmetic number, because the mean of its divisors is an integer number (1001101100541).

Almost surely, 2^{2002202201081} is an apocalyptic number.

It is an amenable number.

2002202201081 is a deficient number, since it is larger than the sum of its proper divisors (1).

2002202201081 is an equidigital number, since it uses as much as digits as its factorization.

2002202201081 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 256, while the sum is 20.

Adding to 2002202201081 its reverse (1801022022002), we get a palindrome (3803224223083).

The spelling of 2002202201081 in words is "two trillion, two billion, two hundred two million, two hundred one thousand, eighty-one".