10212110111 has 4 divisors (see below), whose sum is σ = 11670982992. Its totient is φ = 8753237232.

The previous prime is 10212110107. The next prime is 10212110131. The reversal of 10212110111 is 11101121201.

10212110111 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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 10212110111 - 2² = 10212110107 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 10212110092 and 10212110101.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (10212110131) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 729436430 + ... + 729436443.

It is an arithmetic number, because the mean of its divisors is an integer number (2917745748).

Almost surely, 2^10212110111 is an apocalyptic number.

10212110111 is a deficient number, since it is larger than the sum of its proper divisors (1458872881).

10212110111 is an equidigital number, since it uses as much as digits as its factorization.

10212110111 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1458872880.

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

Adding to 10212110111 its reverse (11101121201), we get a palindrome (21313231312).

The spelling of 10212110111 in words is "ten billion, two hundred twelve million, one hundred ten thousand, one hundred eleven".