210211202202139 has 2 divisors, whose sum is σ = 210211202202140. Its totient is φ = 210211202202138.

The previous prime is 210211202202103. The next prime is 210211202202143. The reversal of 210211202202139 is 931202202112012.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 210211202202139 - 2¹⁷ = 210211202071067 is a prime.

It is not a weakly prime, because it can be changed into another prime (210211202202149) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 105105601101069 + 105105601101070.

It is an arithmetic number, because the mean of its divisors is an integer number (105105601101070).

Almost surely, 2^{210211202202139} is an apocalyptic number.

210211202202139 is a deficient number, since it is larger than the sum of its proper divisors (1).

210211202202139 is an equidigital number, since it uses as much as digits as its factorization.

210211202202139 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 1728, while the sum is 28.

The spelling of 210211202202139 in words is "two hundred ten trillion, two hundred eleven billion, two hundred two million, two hundred two thousand, one hundred thirty-nine".