1122001221002 has 8 divisors (see below), whose sum is σ = 1684588075812. Its totient is φ = 560471862400.

The previous prime is 1122001221001. The next prime is 1122001221023. The reversal of 1122001221002 is 2001221002211.

It can be written as a sum of positive squares in 2 ways, for example, as 975533511481 + 146467709521 = 987691^2 + 382711^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is not an unprimeable number, because it can be changed into a prime (1122001221001) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 264371399 + ... + 264375642.

Almost surely, 2^{1122001221002} is an apocalyptic number.

1122001221002 is a deficient number, since it is larger than the sum of its proper divisors (562586854810).

1122001221002 is a wasteful number, since it uses less digits than its factorization.

1122001221002 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 528748104.

The product of its (nonzero) digits is 32, while the sum is 14.

Adding to 1122001221002 its reverse (2001221002211), we get a palindrome (3123222223213).

The spelling of 1122001221002 in words is "one trillion, one hundred twenty-two billion, one million, two hundred twenty-one thousand, two".