1010003101021 has 8 divisors (see below), whose sum is σ = 1017992628224. Its totient is φ = 1002014148240.

The previous prime is 1010003101001. The next prime is 1010003101027. The reversal of 1010003101021 is 1201013000101.

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

It is a cyclic number.

It is not a de Polignac number, because 1010003101021 - 2¹⁹ = 1010002576733 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 1010003100989 and 1010003101007.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1010003101027) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 3816991 + ... + 4073011.

It is an arithmetic number, because the mean of its divisors is an integer number (127249078528).

Almost surely, 2^{1010003101021} is an apocalyptic number.

It is an amenable number.

1010003101021 is a deficient number, since it is larger than the sum of its proper divisors (7989527203).

1010003101021 is a wasteful number, since it uses less digits than its factorization.

1010003101021 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 287211.

The product of its (nonzero) digits is 6, while the sum is 10.

Adding to 1010003101021 its reverse (1201013000101), we get a palindrome (2211016101122).

The spelling of 1010003101021 in words is "one trillion, ten billion, three million, one hundred one thousand, twenty-one".