11211000102111 has 24 divisors (see below), whose sum is σ = 15322803592192. Its totient is φ = 7289550972000.

The previous prime is 11211000102109. The next prime is 11211000102167. The reversal of 11211000102111 is 11120100011211.

It is not a de Polignac number, because 11211000102111 - 2¹ = 11211000102109 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 (11211000102611) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 683455 + ... + 4784256.

Almost surely, 2^{11211000102111} is an apocalyptic number.

11211000102111 is a deficient number, since it is larger than the sum of its proper divisors (4111803490081).

11211000102111 is an equidigital number, since it uses as much as digits as its factorization.

11211000102111 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5467983 (or 5467882 counting only the distinct ones).

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

Adding to 11211000102111 its reverse (11120100011211), we get a palindrome (22331100113322).

The spelling of 11211000102111 in words is "eleven trillion, two hundred eleven billion, one hundred two thousand, one hundred eleven".