210002110102111 has 4 divisors (see below), whose sum is σ = 210002758822800. Its totient is φ = 210001461381424.

The previous prime is 210002110102087. The next prime is 210002110102133. The reversal of 210002110102111 is 111201011200012.

It is a happy number.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 210002110102111 - 2⁵ = 210002110102079 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 210002110102091 and 210002110102100.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (210002110102171) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 323874526 + ... + 324522283.

It is an arithmetic number, because the mean of its divisors is an integer number (52500689705700).

Almost surely, 2^{210002110102111} is an apocalyptic number.

210002110102111 is a deficient number, since it is larger than the sum of its proper divisors (648720689).

210002110102111 is an equidigital number, since it uses as much as digits as its factorization.

210002110102111 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 648720688.

The product of its (nonzero) digits is 8, while the sum is 13.

Adding to 210002110102111 its reverse (111201011200012), we get a palindrome (321203121302123).

The spelling of 210002110102111 in words is "two hundred ten trillion, two billion, one hundred ten million, one hundred two thousand, one hundred eleven".