2122002122111 has 2 divisors, whose sum is σ = 2122002122112. Its totient is φ = 2122002122110.

The previous prime is 2122002122083. The next prime is 2122002122171. The reversal of 2122002122111 is 1112212002212.

It is a weak prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-2122002122111 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 2122002122111.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (2122002122171) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1061001061055 + 1061001061056.

It is an arithmetic number, because the mean of its divisors is an integer number (1061001061056).

Almost surely, 2^{2122002122111} is an apocalyptic number.

2122002122111 is a deficient number, since it is larger than the sum of its proper divisors (1).

2122002122111 is an equidigital number, since it uses as much as digits as its factorization.

2122002122111 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 64, while the sum is 17.

Adding to 2122002122111 its reverse (1112212002212), we get a palindrome (3234214124323).

The spelling of 2122002122111 in words is "two trillion, one hundred twenty-two billion, two million, one hundred twenty-two thousand, one hundred eleven".