10212102111 has 4 divisors (see below), whose sum is σ = 13616136152. Its totient is φ = 6808068072.

The previous prime is 10212102077. The next prime is 10212102127. The reversal of 10212102111 is 11120121201.

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

It is not a de Polignac number, because 10212102111 - 2⁷ = 10212101983 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (10212102211) 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, 1702017016 + ... + 1702017021.

It is an arithmetic number, because the mean of its divisors is an integer number (3404034038).

Almost surely, 2^10212102111 is an apocalyptic number.

10212102111 is a deficient number, since it is larger than the sum of its proper divisors (3404034041).

10212102111 is an equidigital number, since it uses as much as digits as its factorization.

10212102111 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3404034040.

The product of its (nonzero) digits is 8, while the sum is 12.

Adding to 10212102111 its reverse (11120121201), we get a palindrome (21332223312).

The spelling of 10212102111 in words is "ten billion, two hundred twelve million, one hundred two thousand, one hundred eleven".