1020011200203 has 16 divisors (see below), whose sum is σ = 1407466425600. Its totient is φ = 656300201760.

The previous prime is 1020011200181. The next prime is 1020011200207. The reversal of 1020011200203 is 3020021100201.

It is not a de Polignac number, because 1020011200203 - 2⁶ = 1020011200139 is a prime.

It is not an unprimeable number, because it can be changed into a prime (1020011200207) 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, 2087943 + ... + 2529728.

It is an arithmetic number, because the mean of its divisors is an integer number (87966651600).

Almost surely, 2^{1020011200203} is an apocalyptic number.

1020011200203 is a deficient number, since it is larger than the sum of its proper divisors (387455225397).

1020011200203 is a wasteful number, since it uses less digits than its factorization.

1020011200203 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4620242.

The product of its (nonzero) digits is 24, while the sum is 12.

Adding to 1020011200203 its reverse (3020021100201), we get a palindrome (4040032300404).

The spelling of 1020011200203 in words is "one trillion, twenty billion, eleven million, two hundred thousand, two hundred three".