210002020011111 has 16 divisors (see below), whose sum is σ = 280262346653664. Its totient is φ = 139871576592384.

The previous prime is 210002020011109. The next prime is 210002020011181. The reversal of 210002020011111 is 111110020200012.

It is not a de Polignac number, because 210002020011111 - 2¹ = 210002020011109 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (210002020011181) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (31) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 7784455 + ... + 21922631.

It is an arithmetic number, because the mean of its divisors is an integer number (17516396665854).

Almost surely, 2^{210002020011111} is an apocalyptic number.

210002020011111 is a deficient number, since it is larger than the sum of its proper divisors (70260326642553).

210002020011111 is a wasteful number, since it uses less digits than its factorization.

210002020011111 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 14142770.

The product of its (nonzero) digits is 8, while the sum is 12.

Adding to 210002020011111 its reverse (111110020200012), we get a palindrome (321112040211123).

The spelling of 210002020011111 in words is "two hundred ten trillion, two billion, twenty million, eleven thousand, one hundred eleven".