12100213111 has 8 divisors (see below), whose sum is σ = 13867338240. Its totient is φ = 10342718808.

The previous prime is 12100213087. The next prime is 12100213123. The reversal of 12100213111 is 11131200121.

It is a happy number.

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 12100213111 - 2⁵ = 12100213079 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 12100213091 and 12100213100.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12100213511) 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, 2405011 + ... + 2410036.

It is an arithmetic number, because the mean of its divisors is an integer number (1733417280).

Almost surely, 2^12100213111 is an apocalyptic number.

12100213111 is a deficient number, since it is larger than the sum of its proper divisors (1767125129).

12100213111 is an equidigital number, since it uses as much as digits as its factorization.

12100213111 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4815413.

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

Adding to 12100213111 its reverse (11131200121), we get a palindrome (23231413232).

The spelling of 12100213111 in words is "twelve billion, one hundred million, two hundred thirteen thousand, one hundred eleven".