2100210020239 has 2 divisors, whose sum is σ = 2100210020240. Its totient is φ = 2100210020238.

The previous prime is 2100210020131. The next prime is 2100210020257. The reversal of 2100210020239 is 9320200120012.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 2100210020239 - 2¹⁵ = 2100209987471 is a prime.

It is a super-2 number, since 2×2100210020239² (a number of 25 digits) contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (2100210020939) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1050105010119 + 1050105010120.

It is an arithmetic number, because the mean of its divisors is an integer number (1050105010120).

Almost surely, 2^{2100210020239} is an apocalyptic number.

2100210020239 is a deficient number, since it is larger than the sum of its proper divisors (1).

2100210020239 is an equidigital number, since it uses as much as digits as its factorization.

2100210020239 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 432, while the sum is 22.

The spelling of 2100210020239 in words is "two trillion, one hundred billion, two hundred ten million, twenty thousand, two hundred thirty-nine".