10100103020021 has 12 divisors (see below), whose sum is σ = 11758257025632. Its totient is φ = 8650483459128.

The previous prime is 10100103020011. The next prime is 10100103020081. The reversal of 10100103020021 is 12002030100101.

It is a de Polignac number, because none of the positive numbers 2^k-10100103020021 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 10100103019984 and 10100103020011.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (10100103020011) 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, 80266265 + ... + 80391998.

It is an arithmetic number, because the mean of its divisors is an integer number (979854752136).

Almost surely, 2^{10100103020021} is an apocalyptic number.

It is an amenable number.

10100103020021 is a deficient number, since it is larger than the sum of its proper divisors (1658154005611).

10100103020021 is a wasteful number, since it uses less digits than its factorization.

10100103020021 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 160659560 (or 160659553 counting only the distinct ones).

The product of its (nonzero) digits is 12, while the sum is 11.

Adding to 10100103020021 its reverse (12002030100101), we get a palindrome (22102133120122).

The spelling of 10100103020021 in words is "ten trillion, one hundred billion, one hundred three million, twenty thousand, twenty-one".