10111211211 has 8 divisors (see below), whose sum is σ = 13513792320. Its totient is φ = 6724718792.

The previous prime is 10111211203. The next prime is 10111211213. The reversal of 10111211211 is 11211211101.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 10111211211 - 2³ = 10111211203 is a prime.

It is not an unprimeable number, because it can be changed into a prime (10111211213) 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 7 ways as a sum of consecutive naturals, for example, 4020705 + ... + 4023218.

It is an arithmetic number, because the mean of its divisors is an integer number (1689224040).

Almost surely, 2^10111211211 is an apocalyptic number.

10111211211 is a deficient number, since it is larger than the sum of its proper divisors (3402581109).

10111211211 is an equidigital number, since it uses as much as digits as its factorization.

10111211211 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8044345.

The product of its (nonzero) digits is 4, while the sum is 12.

Adding to 10111211211 its reverse (11211211101), we get a palindrome (21322422312).

It can be divided in two parts, 101 and 11211211, that multiplied together give a palindrome (1132332311).

The spelling of 10111211211 in words is "ten billion, one hundred eleven million, two hundred eleven thousand, two hundred eleven".