2002120120111 has 2 divisors, whose sum is σ = 2002120120112. Its totient is φ = 2002120120110.

The previous prime is 2002120120109. The next prime is 2002120120129. The reversal of 2002120120111 is 1110210212002.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 2002120120111 - 2¹ = 2002120120109 is a prime.

Together with 2002120120109, it forms a pair of twin primes.

It is a junction number, because it is equal to n+sod(n) for n = 2002120120091 and 2002120120100.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (2002120820111) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1001060060055 + 1001060060056.

It is an arithmetic number, because the mean of its divisors is an integer number (1001060060056).

Almost surely, 2^{2002120120111} is an apocalyptic number.

2002120120111 is a deficient number, since it is larger than the sum of its proper divisors (1).

2002120120111 is an equidigital number, since it uses as much as digits as its factorization.

2002120120111 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 16, while the sum is 13.

Adding to 2002120120111 its reverse (1110210212002), we get a palindrome (3112330332113).

The spelling of 2002120120111 in words is "two trillion, two billion, one hundred twenty million, one hundred twenty thousand, one hundred eleven".