1121312101203 has 12 divisors (see below), whose sum is σ = 1851054897328. Its totient is φ = 640749772080.

The previous prime is 1121312101177. The next prime is 1121312101213. The reversal of 1121312101203 is 3021012131211.

It is not a de Polignac number, because 1121312101203 - 2¹⁰ = 1121312100179 is a prime.

It is not an unprimeable number, because it can be changed into a prime (1121312101213) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 8899302328 + ... + 8899302453.

Almost surely, 2^{1121312101203} is an apocalyptic number.

1121312101203 is a deficient number, since it is larger than the sum of its proper divisors (729742796125).

1121312101203 is a wasteful number, since it uses less digits than its factorization.

1121312101203 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 17798604794 (or 17798604791 counting only the distinct ones).

The product of its (nonzero) digits is 72, while the sum is 18.

Adding to 1121312101203 its reverse (3021012131211), we get a palindrome (4142324232414).

The spelling of 1121312101203 in words is "one trillion, one hundred twenty-one billion, three hundred twelve million, one hundred one thousand, two hundred three".