10203011999999 has 24 divisors (see below), whose sum is σ = 12686392559232. Its totient is φ = 8034453292320.

The previous prime is 10203011999953. The next prime is 10203012000017. The reversal of 10203011999999 is 99999911030201.

It is not a de Polignac number, because 10203011999999 - 2¹² = 10203011995903 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (10203011999099) 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, 20188049 + ... + 20687274.

It is an arithmetic number, because the mean of its divisors is an integer number (528599689968).

Almost surely, 2^{10203011999999} is an apocalyptic number.

10203011999999 is a deficient number, since it is larger than the sum of its proper divisors (2483380559233).

10203011999999 is a wasteful number, since it uses less digits than its factorization.

10203011999999 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 40875567 (or 40875554 counting only the distinct ones).

The product of its (nonzero) digits is 3188646, while the sum is 62.

The spelling of 10203011999999 in words is "ten trillion, two hundred three billion, eleven million, nine hundred ninety-nine thousand, nine hundred ninety-nine".