100203120139 has 2 divisors, whose sum is σ = 100203120140. Its totient is φ = 100203120138.

The previous prime is 100203120049. The next prime is 100203120221. The reversal of 100203120139 is 931021302001.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 100203120139 - 2¹¹ = 100203118091 is a prime.

It is not a weakly prime, because it can be changed into another prime (100203120739) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 50101560069 + 50101560070.

It is an arithmetic number, because the mean of its divisors is an integer number (50101560070).

Almost surely, 2^100203120139 is an apocalyptic number.

100203120139 is a deficient number, since it is larger than the sum of its proper divisors (1).

100203120139 is an equidigital number, since it uses as much as digits as its factorization.

100203120139 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 324, while the sum is 22.

The spelling of 100203120139 in words is "one hundred billion, two hundred three million, one hundred twenty thousand, one hundred thirty-nine".