1003120201111 has 24 divisors (see below), whose sum is σ = 1168425754080. Its totient is φ = 858690165312.

The previous prime is 1003120201093. The next prime is 1003120201123. The reversal of 1003120201111 is 1111020213001.

It is a happy number.

It is not a de Polignac number, because 1003120201111 - 2¹¹ = 1003120199063 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 1003120201091 and 1003120201100.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1003120201511) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 170915485 + ... + 170921353.

It is an arithmetic number, because the mean of its divisors is an integer number (48684406420).

Almost surely, 2^{1003120201111} is an apocalyptic number.

1003120201111 is a deficient number, since it is larger than the sum of its proper divisors (165305552969).

1003120201111 is a wasteful number, since it uses less digits than its factorization.

1003120201111 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9863 (or 9856 counting only the distinct ones).

The product of its (nonzero) digits is 12, while the sum is 13.

Adding to 1003120201111 its reverse (1111020213001), we get a palindrome (2114140414112).

The spelling of 1003120201111 in words is "one trillion, three billion, one hundred twenty million, two hundred one thousand, one hundred eleven".