2002112220077 has 2 divisors, whose sum is σ = 2002112220078. Its totient is φ = 2002112220076.

The previous prime is 2002112220023. The next prime is 2002112220109. The reversal of 2002112220077 is 7700222112002.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 1170607146916 + 831505073161 = 1081946^2 + 911869^2 .

It is a cyclic number.

It is not a de Polignac number, because 2002112220077 - 2¹⁰ = 2002112219053 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (2002112220677) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1001056110038 + 1001056110039.

It is an arithmetic number, because the mean of its divisors is an integer number (1001056110039).

Almost surely, 2^{2002112220077} is an apocalyptic number.

It is an amenable number.

2002112220077 is a deficient number, since it is larger than the sum of its proper divisors (1).

2002112220077 is an equidigital number, since it uses as much as digits as its factorization.

2002112220077 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 1568, while the sum is 26.

Adding to 2002112220077 its reverse (7700222112002), we get a palindrome (9702334332079).

The spelling of 2002112220077 in words is "two trillion, two billion, one hundred twelve million, two hundred twenty thousand, seventy-seven".