2100102443 has 2 divisors, whose sum is σ = 2100102444. Its totient is φ = 2100102442.

The previous prime is 2100102439. The next prime is 2100102467. The reversal of 2100102443 is 3442010012.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 2100102443 - 2² = 2100102439 is a prime.

It is not a weakly prime, because it can be changed into another prime (2100102343) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1050051221 + 1050051222.

It is an arithmetic number, because the mean of its divisors is an integer number (1050051222).

Almost surely, 2^2100102443 is an apocalyptic number.

2100102443 is a deficient number, since it is larger than the sum of its proper divisors (1).

2100102443 is an equidigital number, since it uses as much as digits as its factorization.

2100102443 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 192, while the sum is 17.

The square root of 2100102443 is about 45826.8746806936. The cubic root of 2100102443 is about 1280.5999878825.

Adding to 2100102443 its reverse (3442010012), we get a palindrome (5542112455).

The spelling of 2100102443 in words is "two billion, one hundred million, one hundred two thousand, four hundred forty-three".