12100221101011 has 8 divisors (see below), whose sum is σ = 12253455531200. Its totient is φ = 11946988347840.

The previous prime is 12100221101009. The next prime is 12100221101027. The reversal of 12100221101011 is 11010112200121.

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 12100221101011 - 2¹ = 12100221101009 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 12100221100982 and 12100221101000.

It is not an unprimeable number, because it can be changed into a prime (12100221101611) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 20963821 + ... + 21533281.

It is an arithmetic number, because the mean of its divisors is an integer number (1531681941400).

Almost surely, 2^{12100221101011} is an apocalyptic number.

12100221101011 is a deficient number, since it is larger than the sum of its proper divisors (153234430189).

12100221101011 is an equidigital number, since it uses as much as digits as its factorization.

12100221101011 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 838509.

The product of its (nonzero) digits is 8, while the sum is 13.

Adding to 12100221101011 its reverse (11010112200121), we get a palindrome (23110333301132).

The spelling of 12100221101011 in words is "twelve trillion, one hundred billion, two hundred twenty-one million, one hundred one thousand, eleven".