12210100001111 has 4 divisors (see below), whose sum is σ = 12210455300400. Its totient is φ = 12209744701824.

The previous prime is 12210100001107. The next prime is 12210100001137. The reversal of 12210100001111 is 11110000101221.

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

It is a cyclic number.

It is not a de Polignac number, because 12210100001111 - 2² = 12210100001107 is a prime.

It is a super-3 number, since 3×12210100001111³ (a number of 40 digits) contains 333 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 12210100001092 and 12210100001101.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12210100001101) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 177598091 + ... + 177666828.

It is an arithmetic number, because the mean of its divisors is an integer number (3052613825100).

Almost surely, 2^{12210100001111} is an apocalyptic number.

12210100001111 is a deficient number, since it is larger than the sum of its proper divisors (355299289).

12210100001111 is an equidigital number, since it uses as much as digits as its factorization.

12210100001111 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 355299288.

The product of its (nonzero) digits is 4, while the sum is 11.

Adding to 12210100001111 its reverse (11110000101221), we get a palindrome (23320100102332).

The spelling of 12210100001111 in words is "twelve trillion, two hundred ten billion, one hundred million, one thousand, one hundred eleven".