2003112101001 has 48 divisors (see below), whose sum is σ = 3033358368768. Its totient is φ = 1166005041600.

The previous prime is 2003112100999. The next prime is 2003112101027. The reversal of 2003112101001 is 1001012113002.

It is not a de Polignac number, because 2003112101001 - 2¹ = 2003112100999 is a prime.

It is not an unprimeable number, because it can be changed into a prime (2003112101101) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 5111880 + ... + 5489766.

It is an arithmetic number, because the mean of its divisors is an integer number (63194966016).

Almost surely, 2^{2003112101001} is an apocalyptic number.

It is an amenable number.

2003112101001 is a deficient number, since it is larger than the sum of its proper divisors (1030246267767).

2003112101001 is a wasteful number, since it uses less digits than its factorization.

2003112101001 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 378150 (or 378121 counting only the distinct ones).

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

Adding to 2003112101001 its reverse (1001012113002), we get a palindrome (3004124214003).

The spelling of 2003112101001 in words is "two trillion, three billion, one hundred twelve million, one hundred one thousand, one".