1121001333321 has 16 divisors (see below), whose sum is σ = 1536183134784. Its totient is φ = 726606304704.

The previous prime is 1121001333301. The next prime is 1121001333337. The reversal of 1121001333321 is 1233331001211.

It is a happy number.

It is not a de Polignac number, because 1121001333321 - 2¹⁴ = 1121001316937 is a prime.

It is not an unprimeable number, because it can be changed into a prime (1121001333301) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 3525351 + ... + 3830156.

It is an arithmetic number, because the mean of its divisors is an integer number (96011445924).

Almost surely, 2^{1121001333321} is an apocalyptic number.

It is an amenable number.

1121001333321 is a deficient number, since it is larger than the sum of its proper divisors (415181801463).

1121001333321 is a wasteful number, since it uses less digits than its factorization.

1121001333321 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7356920.

The product of its (nonzero) digits is 324, while the sum is 21.

Adding to 1121001333321 its reverse (1233331001211), we get a palindrome (2354332334532).

The spelling of 1121001333321 in words is "one trillion, one hundred twenty-one billion, one million, three hundred thirty-three thousand, three hundred twenty-one".