1121201303143 has 4 divisors (see below), whose sum is σ = 1128626477488. Its totient is φ = 1113776128800.

The previous prime is 1121201303107. The next prime is 1121201303147. The reversal of 1121201303143 is 3413031021211.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-1121201303143 is a prime.

It is a super-2 number, since 2×1121201303143² (a number of 25 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1121201303147) 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 3 ways as a sum of consecutive naturals, for example, 3712586946 + ... + 3712587247.

It is an arithmetic number, because the mean of its divisors is an integer number (282156619372).

Almost surely, 2^{1121201303143} is an apocalyptic number.

1121201303143 is a deficient number, since it is larger than the sum of its proper divisors (7425174345).

1121201303143 is an equidigital number, since it uses as much as digits as its factorization.

1121201303143 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7425174344.

The product of its (nonzero) digits is 432, while the sum is 22.

Adding to 1121201303143 its reverse (3413031021211), we get a palindrome (4534232324354).

The spelling of 1121201303143 in words is "one trillion, one hundred twenty-one billion, two hundred one million, three hundred three thousand, one hundred forty-three".