12111001002022 has 64 divisors (see below), whose sum is σ = 20602070697600. Its totient is φ = 5300988779520.

The previous prime is 12111001002019. The next prime is 12111001002043. The reversal of 12111001002022 is 22020010011121.

It is a Harshad number since it is a multiple of its sum of digits (13).

It is a junction number, because it is equal to n+sod(n) for n = 12111001001993 and 12111001002011.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 42019879 + ... + 42307117.

It is an arithmetic number, because the mean of its divisors is an integer number (321907354650).

Almost surely, 2^{12111001002022} is an apocalyptic number.

12111001002022 is a deficient number, since it is larger than the sum of its proper divisors (8491069695578).

12111001002022 is a wasteful number, since it uses less digits than its factorization.

12111001002022 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 288401.

The product of its (nonzero) digits is 16, while the sum is 13.

Adding to 12111001002022 its reverse (22020010011121), we get a palindrome (34131011013143).

Subtracting 12111001002022 from its reverse (22020010011121), we obtain a palindrome (9909009009099).

It can be divided in two parts, 1211100 and 1002022, that added together give a palindrome (2213122).

The spelling of 12111001002022 in words is "twelve trillion, one hundred eleven billion, one million, two thousand, twenty-two".