1121143243201 has 4 divisors (see below), whose sum is σ = 1157309154304. Its totient is φ = 1084977332100.

The previous prime is 1121143243193. The next prime is 1121143243219. The reversal of 1121143243201 is 1023423411211.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 1121143243201 - 2³ = 1121143243193 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1121143243301) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 18082955505 + ... + 18082955566.

It is an arithmetic number, because the mean of its divisors is an integer number (289327288576).

Almost surely, 2^{1121143243201} is an apocalyptic number.

It is an amenable number.

1121143243201 is a deficient number, since it is larger than the sum of its proper divisors (36165911103).

1121143243201 is an equidigital number, since it uses as much as digits as its factorization.

1121143243201 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 36165911102.

The product of its (nonzero) digits is 1152, while the sum is 25.

Adding to 1121143243201 its reverse (1023423411211), we get a palindrome (2144566654412).

The spelling of 1121143243201 in words is "one trillion, one hundred twenty-one billion, one hundred forty-three million, two hundred forty-three thousand, two hundred one".