210021201139 has 2 divisors, whose sum is σ = 210021201140. Its totient is φ = 210021201138.

The previous prime is 210021201101. The next prime is 210021201211. The reversal of 210021201139 is 931102120012.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 210021201139 - 2²⁵ = 209987646707 is a prime.

It is not a weakly prime, because it can be changed into another prime (210022201139) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 105010600569 + 105010600570.

It is an arithmetic number, because the mean of its divisors is an integer number (105010600570).

Almost surely, 2^210021201139 is an apocalyptic number.

210021201139 is a deficient number, since it is larger than the sum of its proper divisors (1).

210021201139 is an equidigital number, since it uses as much as digits as its factorization.

210021201139 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 22.

The spelling of 210021201139 in words is "two hundred ten billion, twenty-one million, two hundred one thousand, one hundred thirty-nine".