2103132010421 has 12 divisors (see below), whose sum is σ = 2277474498720. Its totient is φ = 1941251579280.

The previous prime is 2103132010363. The next prime is 2103132010429. The reversal of 2103132010421 is 1240102313012.

It is not a de Polignac number, because 2103132010421 - 2³⁴ = 2085952141237 is a prime.

It is a super-3 number, since 3×2103132010421³ (a number of 38 digits) contains 333 as substring.

It is a Duffinian number.

It is a Curzon number.

It is a junction number, because it is equal to n+sod(n) for n = 2103132010393 and 2103132010402.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2103132010429) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 3035456 + ... + 3663366.

It is an arithmetic number, because the mean of its divisors is an integer number (189789541560).

Almost surely, 2^{2103132010421} is an apocalyptic number.

It is an amenable number.

2103132010421 is a deficient number, since it is larger than the sum of its proper divisors (174342488299).

2103132010421 is a wasteful number, since it uses less digits than its factorization.

2103132010421 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 647756 (or 647743 counting only the distinct ones).

The product of its (nonzero) digits is 288, while the sum is 20.

Adding to 2103132010421 its reverse (1240102313012), we get a palindrome (3343234323433).

The spelling of 2103132010421 in words is "two trillion, one hundred three billion, one hundred thirty-two million, ten thousand, four hundred twenty-one".