2002103421 has 16 divisors (see below), whose sum is σ = 2763082560. Its totient is φ = 1287982080.

The previous prime is 2002103419. The next prime is 2002103437. The reversal of 2002103421 is 1243012002.

It is not a de Polignac number, because 2002103421 - 2¹ = 2002103419 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 2002103421.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2002103401) 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, 178386 + ... + 189276.

It is an arithmetic number, because the mean of its divisors is an integer number (172692660).

Almost surely, 2^2002103421 is an apocalyptic number.

It is an amenable number.

2002103421 is a deficient number, since it is larger than the sum of its proper divisors (760979139).

2002103421 is a wasteful number, since it uses less digits than its factorization.

2002103421 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 13036.

The product of its (nonzero) digits is 96, while the sum is 15.

The square root of 2002103421 is about 44744.8703316928. The cubic root of 2002103421 is about 1260.3625858741.

Adding to 2002103421 its reverse (1243012002), we get a palindrome (3245115423).

The spelling of 2002103421 in words is "two billion, two million, one hundred three thousand, four hundred twenty-one".