2102203139 has 2 divisors, whose sum is σ = 2102203140. Its totient is φ = 2102203138.

The previous prime is 2102203091. The next prime is 2102203157. The reversal of 2102203139 is 9313022012.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-2102203139 is a prime.

It is not a weakly prime, because it can be changed into another prime (2102203039) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1051101569 + 1051101570.

It is an arithmetic number, because the mean of its divisors is an integer number (1051101570).

Almost surely, 2^2102203139 is an apocalyptic number.

2102203139 is a deficient number, since it is larger than the sum of its proper divisors (1).

2102203139 is an equidigital number, since it uses as much as digits as its factorization.

2102203139 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 648, while the sum is 23.

The square root of 2102203139 is about 45849.7888653808. The cubic root of 2102203139 is about 1281.0268329012.

The spelling of 2102203139 in words is "two billion, one hundred two million, two hundred three thousand, one hundred thirty-nine".