2102111012233 has 2 divisors, whose sum is σ = 2102111012234. Its totient is φ = 2102111012232.

The previous prime is 2102111012207. The next prime is 2102111012321. The reversal of 2102111012233 is 3322101112012.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 2023597291024 + 78513721209 = 1422532^2 + 280203^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-2102111012233 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 2102111012233.

It is not a weakly prime, because it can be changed into another prime (2102111012203) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1051055506116 + 1051055506117.

It is an arithmetic number, because the mean of its divisors is an integer number (1051055506117).

Almost surely, 2^{2102111012233} is an apocalyptic number.

It is an amenable number.

2102111012233 is a deficient number, since it is larger than the sum of its proper divisors (1).

2102111012233 is an equidigital number, since it uses as much as digits as its factorization.

2102111012233 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 144, while the sum is 19.

Adding to 2102111012233 its reverse (3322101112012), we get a palindrome (5424212124245).

The spelling of 2102111012233 in words is "two trillion, one hundred two billion, one hundred eleven million, twelve thousand, two hundred thirty-three".