2021421014103 has 8 divisors (see below), whose sum is σ = 2699029471600. Its totient is φ = 1345713283008.

The previous prime is 2021421014089. The next prime is 2021421014131. The reversal of 2021421014103 is 3014101241202.

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

It is not a de Polignac number, because 2021421014103 - 2¹³ = 2021421005911 is a prime.

It is a super-2 number, since 2×2021421014103² (a number of 25 digits) contains 22 as substring.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 2021421014103.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2021421016103) 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, 475179118 + ... + 475183371.

It is an arithmetic number, because the mean of its divisors is an integer number (337378683950).

Almost surely, 2^{2021421014103} is an apocalyptic number.

2021421014103 is a deficient number, since it is larger than the sum of its proper divisors (677608457497).

2021421014103 is an equidigital number, since it uses as much as digits as its factorization.

2021421014103 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 950363201.

The product of its (nonzero) digits is 384, while the sum is 21.

Adding to 2021421014103 its reverse (3014101241202), we get a palindrome (5035522255305).

The spelling of 2021421014103 in words is "two trillion, twenty-one billion, four hundred twenty-one million, fourteen thousand, one hundred three".