12211020002118 has 32 divisors (see below), whose sum is σ = 27911009525760. Its totient is φ = 3488849524800.

The previous prime is 12211020002113. The next prime is 12211020002119. The reversal of 12211020002118 is 81120002011221.

It is a Harshad number since it is a multiple of its sum of digits (21).

It is a Curzon number.

It is a junction number, because it is equal to n+sod(n) for n = 12211020002094 and 12211020002103.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12211020002113) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 17371003 + ... + 18060281.

It is an arithmetic number, because the mean of its divisors is an integer number (872219047680).

Almost surely, 2^{12211020002118} is an apocalyptic number.

12211020002118 is an abundant number, since it is smaller than the sum of its proper divisors (15699989523642).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

12211020002118 is a wasteful number, since it uses less digits than its factorization.

12211020002118 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1111092.

The product of its (nonzero) digits is 128, while the sum is 21.

Adding to 12211020002118 its reverse (81120002011221), we get a palindrome (93331022013339).

The spelling of 12211020002118 in words is "twelve trillion, two hundred eleven billion, twenty million, two thousand, one hundred eighteen".