2002120011377 has 2 divisors, whose sum is σ = 2002120011378. Its totient is φ = 2002120011376.

The previous prime is 2002120011319. The next prime is 2002120011461. The reversal of 2002120011377 is 7731100212002.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 1970005937761 + 32114073616 = 1403569^2 + 179204^2 .

It is a cyclic number.

It is not a de Polignac number, because 2002120011377 - 2¹² = 2002120007281 is a prime.

It is a super-2 number, since 2×2002120011377² (a number of 25 digits) contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (2002120011077) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1001060005688 + 1001060005689.

It is an arithmetic number, because the mean of its divisors is an integer number (1001060005689).

Almost surely, 2^{2002120011377} is an apocalyptic number.

It is an amenable number.

2002120011377 is a deficient number, since it is larger than the sum of its proper divisors (1).

2002120011377 is an equidigital number, since it uses as much as digits as its factorization.

2002120011377 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 1176, while the sum is 26.

Adding to 2002120011377 its reverse (7731100212002), we get a palindrome (9733220223379).

The spelling of 2002120011377 in words is "two trillion, two billion, one hundred twenty million, eleven thousand, three hundred seventy-seven".