10103212122021 has 96 divisors (see below), whose sum is σ = 15857239477248. Its totient is φ = 6174381957120.

The previous prime is 10103212122011. The next prime is 10103212122083. The reversal of 10103212122021 is 12022121230101.

10103212122021 is a `hidden beast` number, since 101 + 0 + 321 + 2 + 1 + 220 + 21 = 666.

It is not a de Polignac number, because 10103212122021 - 2¹⁰ = 10103212120997 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 10103212121985 and 10103212122003.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (10103212122001) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 95 ways as a sum of consecutive naturals, for example, 1514040141 + ... + 1514046813.

It is an arithmetic number, because the mean of its divisors is an integer number (165179577888).

Almost surely, 2^{10103212122021} is an apocalyptic number.

It is an amenable number.

10103212122021 is a deficient number, since it is larger than the sum of its proper divisors (5754027355227).

10103212122021 is a wasteful number, since it uses less digits than its factorization.

10103212122021 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7731 (or 7728 counting only the distinct ones).

The product of its (nonzero) digits is 96, while the sum is 18.

Adding to 10103212122021 its reverse (12022121230101), we get a palindrome (22125333352122).

The spelling of 10103212122021 in words is "ten trillion, one hundred three billion, two hundred twelve million, one hundred twenty-two thousand, twenty-one".