2100220139 has 2 divisors, whose sum is σ = 2100220140. Its totient is φ = 2100220138.

The previous prime is 2100220099. The next prime is 2100220163. The reversal of 2100220139 is 9310220012.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 2100220139 - 2²⁸ = 1831784683 is a prime.

It is a super-2 number, since 2×2100220139² = 8821849264522358642, which contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 2100220139.

It is not a weakly prime, because it can be changed into another prime (2100225139) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1050110069 + 1050110070.

It is an arithmetic number, because the mean of its divisors is an integer number (1050110070).

Almost surely, 2^2100220139 is an apocalyptic number.

2100220139 is a deficient number, since it is larger than the sum of its proper divisors (1).

2100220139 is an equidigital number, since it uses as much as digits as its factorization.

2100220139 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 216, while the sum is 20.

The square root of 2100220139 is about 45828.1588000216. The cubic root of 2100220139 is about 1280.6239103156.

The spelling of 2100220139 in words is "two billion, one hundred million, two hundred twenty thousand, one hundred thirty-nine".