210002010111 has 48 divisors (see below), whose sum is σ = 319380524320. Its totient is φ = 132798839040.

The previous prime is 210002010103. The next prime is 210002010143. The reversal of 210002010111 is 111010200012.

It is a happy number.

It is not a de Polignac number, because 210002010111 - 2³ = 210002010103 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (9).

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 210002010093 and 210002010102.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (210002010151) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 7733025 + ... + 7760133.

Almost surely, 2^210002010111 is an apocalyptic number.

210002010111 is a deficient number, since it is larger than the sum of its proper divisors (109378514209).

210002010111 is a wasteful number, since it uses less digits than its factorization.

210002010111 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 27736 (or 27733 counting only the distinct ones).

The product of its (nonzero) digits is 4, while the sum is 9.

Adding to 210002010111 its reverse (111010200012), we get a palindrome (321012210123).

The spelling of 210002010111 in words is "two hundred ten billion, two million, ten thousand, one hundred eleven".