103200312021 has 16 divisors (see below), whose sum is σ = 145817098560. Its totient is φ = 64807594880.

The previous prime is 103200311987. The next prime is 103200312037. The reversal of 103200312021 is 120213002301.

It is a cyclic number.

It is not a de Polignac number, because 103200312021 - 2⁶ = 103200311957 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (103200312521) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 14462415 + ... + 14469548.

It is an arithmetic number, because the mean of its divisors is an integer number (9113568660).

Almost surely, 2^103200312021 is an apocalyptic number.

It is an amenable number.

103200312021 is a deficient number, since it is larger than the sum of its proper divisors (42616786539).

103200312021 is a wasteful number, since it uses less digits than its factorization.

103200312021 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 28932036.

The product of its (nonzero) digits is 72, while the sum is 15.

Adding to 103200312021 its reverse (120213002301), we get a palindrome (223413314322).

The spelling of 103200312021 in words is "one hundred three billion, two hundred million, three hundred twelve thousand, twenty-one".