210010012100111 has 4 divisors (see below), whose sum is σ = 210183144840072. Its totient is φ = 209836879360152.

The previous prime is 210010012100071. The next prime is 210010012100131. The reversal of 210010012100111 is 111001210010012.

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 210010012100111 - 2⁶ = 210010012100047 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 210010012100092 and 210010012100101.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (210010012100131) 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, 86566368161 + ... + 86566370586.

It is an arithmetic number, because the mean of its divisors is an integer number (52545786210018).

Almost surely, 2^{210010012100111} is an apocalyptic number.

210010012100111 is a deficient number, since it is larger than the sum of its proper divisors (173132739961).

210010012100111 is a wasteful number, since it uses less digits than its factorization.

210010012100111 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 173132739960.

The product of its (nonzero) digits is 4, while the sum is 11.

Adding to 210010012100111 its reverse (111001210010012), we get a palindrome (321011222110123).

The spelling of 210010012100111 in words is "two hundred ten trillion, ten billion, twelve million, one hundred thousand, one hundred eleven".