203012111044 has 24 divisors (see below), whose sum is σ = 364893556608. Its totient is φ = 98757116640.

The previous prime is 203012111041. The next prime is 203012111063. The reversal of 203012111044 is 440111210302.

It is not an unprimeable number, because it can be changed into a prime (203012111041) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 4150917 + ... + 4199539.

It is an arithmetic number, because the mean of its divisors is an integer number (15203898192).

Almost surely, 2^203012111044 is an apocalyptic number.

It is an amenable number.

203012111044 is a deficient number, since it is larger than the sum of its proper divisors (161881445564).

203012111044 is a wasteful number, since it uses less digits than its factorization.

203012111044 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 76875 (or 76873 counting only the distinct ones).

The product of its (nonzero) digits is 192, while the sum is 19.

Adding to 203012111044 its reverse (440111210302), we get a palindrome (643123321346).

The spelling of 203012111044 in words is "two hundred three billion, twelve million, one hundred eleven thousand, forty-four".