10203121013102 has 16 divisors (see below), whose sum is σ = 16433195736672. Its totient is φ = 4733842391040.

The previous prime is 10203121013089. The next prime is 10203121013123. The reversal of 10203121013102 is 20131012130201.

It is a Harshad number since it is a multiple of its sum of digits (17).

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2113320083 + ... + 2113324910.

It is an arithmetic number, because the mean of its divisors is an integer number (1027074733542).

Almost surely, 2^{10203121013102} is an apocalyptic number.

10203121013102 is a deficient number, since it is larger than the sum of its proper divisors (6230074723570).

10203121013102 is a wasteful number, since it uses less digits than its factorization.

10203121013102 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4226645083.

The product of its (nonzero) digits is 72, while the sum is 17.

Adding to 10203121013102 its reverse (20131012130201), we get a palindrome (30334133143303).

The spelling of 10203121013102 in words is "ten trillion, two hundred three billion, one hundred twenty-one million, thirteen thousand, one hundred two".