210002001020111 has 2 divisors, whose sum is σ = 210002001020112. Its totient is φ = 210002001020110.

The previous prime is 210002001020083. The next prime is 210002001020221. The reversal of 210002001020111 is 111020100200012.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 210002001020111 - 2⁴² = 205603954509007 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 210002001020092 and 210002001020101.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (210002001025111) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 105001000510055 + 105001000510056.

It is an arithmetic number, because the mean of its divisors is an integer number (105001000510056).

Almost surely, 2^{210002001020111} is an apocalyptic number.

210002001020111 is a deficient number, since it is larger than the sum of its proper divisors (1).

210002001020111 is an equidigital number, since it uses as much as digits as its factorization.

210002001020111 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 8, while the sum is 11.

Adding to 210002001020111 its reverse (111020100200012), we get a palindrome (321022101220123).

The spelling of 210002001020111 in words is "two hundred ten trillion, two billion, one million, twenty thousand, one hundred eleven".