2220112021012 has 12 divisors (see below), whose sum is σ = 3885266033460. Its totient is φ = 1110036011456.

The previous prime is 2220112021009. The next prime is 2220112021081. The reversal of 2220112021012 is 2101202110222.

It is a happy number.

It can be written as a sum of positive squares in 2 ways, for example, as 2148323392656 + 71788628356 = 1465716^2 + 267934^2 .

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 4748587 + ... + 5195122.

It is an arithmetic number, because the mean of its divisors is an integer number (323772169455).

Almost surely, 2^{2220112021012} is an apocalyptic number.

It is an amenable number.

2220112021012 is a deficient number, since it is larger than the sum of its proper divisors (1665154012448).

2220112021012 is a wasteful number, since it uses less digits than its factorization.

2220112021012 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9999530 (or 9999528 counting only the distinct ones).

The product of its (nonzero) digits is 64, while the sum is 16.

Adding to 2220112021012 its reverse (2101202110222), we get a palindrome (4321314131234).

The spelling of 2220112021012 in words is "two trillion, two hundred twenty billion, one hundred twelve million, twenty-one thousand, twelve".