1121002321211 has 16 divisors (see below), whose sum is σ = 1245141849600. Its totient is φ = 1004414355648.

The previous prime is 1121002321207. The next prime is 1121002321223. The reversal of 1121002321211 is 1121232001211.

It is a happy number.

It is not a de Polignac number, because 1121002321211 - 2² = 1121002321207 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 1121002321211.

It is not an unprimeable number, because it can be changed into a prime (1121002321111) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 14372471 + ... + 14450256.

It is an arithmetic number, because the mean of its divisors is an integer number (77821365600).

Almost surely, 2^{1121002321211} is an apocalyptic number.

1121002321211 is a deficient number, since it is larger than the sum of its proper divisors (124139528389).

1121002321211 is a wasteful number, since it uses less digits than its factorization.

1121002321211 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 28822858.

The product of its (nonzero) digits is 48, while the sum is 17.

Adding to 1121002321211 its reverse (1121232001211), we get a palindrome (2242234322422).

The spelling of 1121002321211 in words is "one trillion, one hundred twenty-one billion, two million, three hundred twenty-one thousand, two hundred eleven".