102001103301021 has 16 divisors (see below), whose sum is σ = 137296673945088. Its totient is φ = 67355729694000.

The previous prime is 102001103300953. The next prime is 102001103301029. The reversal of 102001103301021 is 120103301100201.

It is a happy number.

It is not a de Polignac number, because 102001103301021 - 2¹⁹ = 102001102776733 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (102001103301029) 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, 324292375 + ... + 324606756.

It is an arithmetic number, because the mean of its divisors is an integer number (8581042121568).

Almost surely, 2^{102001103301021} is an apocalyptic number.

It is an amenable number.

102001103301021 is a deficient number, since it is larger than the sum of its proper divisors (35295570644067).

102001103301021 is a wasteful number, since it uses less digits than its factorization.

102001103301021 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 648899632.

The product of its (nonzero) digits is 36, while the sum is 15.

Adding to 102001103301021 its reverse (120103301100201), we get a palindrome (222104404401222).

The spelling of 102001103301021 in words is "one hundred two trillion, one billion, one hundred three million, three hundred one thousand, twenty-one".