102003132021 has 16 divisors (see below), whose sum is σ = 155439308928. Its totient is φ = 58285267200.

The previous prime is 102003131999. The next prime is 102003132031. The reversal of 102003132021 is 120231300201.

It is not a de Polignac number, because 102003132021 - 2¹¹ = 102003129973 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (102003132031) 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, 580201 + ... + 735281.

It is an arithmetic number, because the mean of its divisors is an integer number (9714956808).

Almost surely, 2^102003132021 is an apocalyptic number.

It is an amenable number.

102003132021 is a deficient number, since it is larger than the sum of its proper divisors (53436176907).

102003132021 is a wasteful number, since it uses less digits than its factorization.

102003132021 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 186412.

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

Adding to 102003132021 its reverse (120231300201), we get a palindrome (222234432222).

The spelling of 102003132021 in words is "one hundred two billion, three million, one hundred thirty-two thousand, twenty-one".