1122012012221 has 8 divisors (see below), whose sum is σ = 1147245914880. Its totient is φ = 1097053890192.

The previous prime is 1122012012203. The next prime is 1122012012239. The reversal of 1122012012221 is 1222102102211.

It is an interprime number because it is at equal distance from previous prime (1122012012203) and next prime (1122012012239).

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 1122012012221 - 2¹⁴ = 1122011995837 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 1122012012221.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1122012012271) 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, 68936930 + ... + 68953203.

It is an arithmetic number, because the mean of its divisors is an integer number (143405739360).

Almost surely, 2^{1122012012221} is an apocalyptic number.

It is an amenable number.

1122012012221 is a deficient number, since it is larger than the sum of its proper divisors (25233902659).

1122012012221 is a wasteful number, since it uses less digits than its factorization.

1122012012221 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 137890315.

The product of its (nonzero) digits is 64, while the sum is 17.

Adding to 1122012012221 its reverse (1222102102211), we get a palindrome (2344114114432).

The spelling of 1122012012221 in words is "one trillion, one hundred twenty-two billion, twelve million, twelve thousand, two hundred twenty-one".