2102301030021 has 8 divisors (see below), whose sum is σ = 2803076390784. Its totient is φ = 1401529844640.

The previous prime is 2102301030019. The next prime is 2102301030079. The reversal of 2102301030021 is 1200301032012.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 2102301030021 - 2¹ = 2102301030019 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2102301030001) 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, 427105 + ... + 2094521.

It is an arithmetic number, because the mean of its divisors is an integer number (350384548848).

Almost surely, 2^{2102301030021} is an apocalyptic number.

It is an amenable number.

2102301030021 is a deficient number, since it is larger than the sum of its proper divisors (700775360763).

2102301030021 is a wasteful number, since it uses less digits than its factorization.

2102301030021 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2087691.

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

Adding to 2102301030021 its reverse (1200301032012), we get a palindrome (3302602062033).

The spelling of 2102301030021 in words is "two trillion, one hundred two billion, three hundred one million, thirty thousand, twenty-one".