10213210111 has 16 divisors (see below), whose sum is σ = 11386065600. Its totient is φ = 9096127488.

The previous prime is 10213210097. The next prime is 10213210127. The reversal of 10213210111 is 11101231201.

It is a happy number.

It is a cyclic number.

It is not a de Polignac number, because 10213210111 - 2²³ = 10204821503 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (13).

It is a junction number, because it is equal to n+sod(n) for n = 10213210091 and 10213210100.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (10213210141) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 579055 + ... + 596431.

It is an arithmetic number, because the mean of its divisors is an integer number (711629100).

Almost surely, 2^10213210111 is an apocalyptic number.

10213210111 is a deficient number, since it is larger than the sum of its proper divisors (1172855489).

10213210111 is a wasteful number, since it uses less digits than its factorization.

10213210111 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 18978.

The product of its (nonzero) digits is 12, while the sum is 13.

Adding to 10213210111 its reverse (11101231201), we get a palindrome (21314441312).

The spelling of 10213210111 in words is "ten billion, two hundred thirteen million, two hundred ten thousand, one hundred eleven".