2002011212111 has 2 divisors, whose sum is σ = 2002011212112. Its totient is φ = 2002011212110.

The previous prime is 2002011212101. The next prime is 2002011212137. The reversal of 2002011212111 is 1112121102002.

It is a weak prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-2002011212111 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (2002011212101) 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, 1001005606055 + 1001005606056.

It is an arithmetic number, because the mean of its divisors is an integer number (1001005606056).

Almost surely, 2^{2002011212111} is an apocalyptic number.

2002011212111 is a deficient number, since it is larger than the sum of its proper divisors (1).

2002011212111 is an equidigital number, since it uses as much as digits as its factorization.

2002011212111 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 16, while the sum is 14.

Adding to 2002011212111 its reverse (1112121102002), we get a palindrome (3114132314113).

It can be divided in two parts, 2002011 and 212111, that added together give a palindrome (2214122).

The spelling of 2002011212111 in words is "two trillion, two billion, eleven million, two hundred twelve thousand, one hundred eleven".