1121201000003 has 16 divisors (see below), whose sum is σ = 1289012874240. Its totient is φ = 955303826400.

The previous prime is 1121200999991. The next prime is 1121201000009. The reversal of 1121201000003 is 3000001021211.

It is not a de Polignac number, because 1121201000003 - 2⁶ = 1121200999939 is a prime.

It is not an unprimeable number, because it can be changed into a prime (1121201000009) 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, 2736578 + ... + 3119496.

It is an arithmetic number, because the mean of its divisors is an integer number (80563304640).

Almost surely, 2^{1121201000003} is an apocalyptic number.

1121201000003 is a deficient number, since it is larger than the sum of its proper divisors (167811874237).

1121201000003 is a wasteful number, since it uses less digits than its factorization.

1121201000003 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 385418.

The product of its (nonzero) digits is 12, while the sum is 11.

Adding to 1121201000003 its reverse (3000001021211), we get a palindrome (4121202021214).

The spelling of 1121201000003 in words is "one trillion, one hundred twenty-one billion, two hundred one million, three", and thus it is an aban number.