1121312311001 has 8 divisors (see below), whose sum is σ = 1157497152000. Its totient is φ = 1085128312320.

The previous prime is 1121312310983. The next prime is 1121312311003. The reversal of 1121312311001 is 1001132131211.

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-1121312311001 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (1121312311003) by changing a digit.

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 7 ways as a sum of consecutive naturals, for example, 3575705 + ... + 3876633.

It is an arithmetic number, because the mean of its divisors is an integer number (144687144000).

Almost surely, 2^{1121312311001} is an apocalyptic number.

It is an amenable number.

1121312311001 is a deficient number, since it is larger than the sum of its proper divisors (36184840999).

1121312311001 is a wasteful number, since it uses less digits than its factorization.

1121312311001 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 421159.

The product of its (nonzero) digits is 36, while the sum is 17.

Adding to 1121312311001 its reverse (1001132131211), we get a palindrome (2122444442212).

The spelling of 1121312311001 in words is "one trillion, one hundred twenty-one billion, three hundred twelve million, three hundred eleven thousand, one".