120002102011111 has 2 divisors, whose sum is σ = 120002102011112. Its totient is φ = 120002102011110.

The previous prime is 120002102011109. The next prime is 120002102011147. The reversal of 120002102011111 is 111110201200021.

It is a happy number.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 120002102011111 - 2¹ = 120002102011109 is a prime.

Together with 120002102011109, it forms a pair of twin primes.

It is a junction number, because it is equal to n+sod(n) for n = 120002102011091 and 120002102011100.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (120902102011111) 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, 60001051005555 + 60001051005556.

It is an arithmetic number, because the mean of its divisors is an integer number (60001051005556).

Almost surely, 2^{120002102011111} is an apocalyptic number.

120002102011111 is a deficient number, since it is larger than the sum of its proper divisors (1).

120002102011111 is an equidigital number, since it uses as much as digits as its factorization.

120002102011111 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 13.

Adding to 120002102011111 its reverse (111110201200021), we get a palindrome (231112303211132).

The spelling of 120002102011111 in words is "one hundred twenty trillion, two billion, one hundred two million, eleven thousand, one hundred eleven".