2002121212111 has 2 divisors, whose sum is σ = 2002121212112. Its totient is φ = 2002121212110.

The previous prime is 2002121212043. The next prime is 2002121212121. The reversal of 2002121212111 is 1112121212002.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 2002121212111 - 2⁹ = 2002121211599 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (2002121212121) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1001060606055 + 1001060606056.

It is an arithmetic number, because the mean of its divisors is an integer number (1001060606056).

Almost surely, 2^{2002121212111} is an apocalyptic number.

2002121212111 is a deficient number, since it is larger than the sum of its proper divisors (1).

2002121212111 is an equidigital number, since it uses as much as digits as its factorization.

2002121212111 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 32, while the sum is 16.

Adding to 2002121212111 its reverse (1112121212002), we get a palindrome (3114242424113).

The spelling of 2002121212111 in words is "two trillion, two billion, one hundred twenty-one million, two hundred twelve thousand, one hundred eleven".