1002120120011 has 2 divisors, whose sum is σ = 1002120120012. Its totient is φ = 1002120120010.

The previous prime is 1002120119999. The next prime is 1002120120013. The reversal of 1002120120011 is 1100210212001.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 1002120120011 - 2³⁸ = 727242213067 is a prime.

It is a super-2 number, since 2×1002120120011² (a number of 25 digits) contains 22 as substring.

Together with 1002120120013, it forms a pair of twin primes.

It is a Chen prime.

It is a junction number, because it is equal to n+sod(n) for n = 1002120119974 and 1002120120001.

It is not a weakly prime, because it can be changed into another prime (1002120120013) 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, 501060060005 + 501060060006.

It is an arithmetic number, because the mean of its divisors is an integer number (501060060006).

Almost surely, 2^{1002120120011} is an apocalyptic number.

1002120120011 is a deficient number, since it is larger than the sum of its proper divisors (1).

1002120120011 is an equidigital number, since it uses as much as digits as its factorization.

1002120120011 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 8, while the sum is 11.

Adding to 1002120120011 its reverse (1100210212001), we get a palindrome (2102330332012).

The spelling of 1002120120011 in words is "one trillion, two billion, one hundred twenty million, one hundred twenty thousand, eleven".