103011031203021 has 12 divisors (see below), whose sum is σ = 148800183297948. Its totient is φ = 68671033928064.

The previous prime is 103011031202993. The next prime is 103011031203043. The reversal of 103011031203021 is 120302130110301.

103011031203021 is a `hidden beast` number, since 1 + 0 + 301 + 1 + 0 + 312 + 0 + 30 + 21 = 666.

It can be written as a sum of positive squares in 2 ways, for example, as 93494608286121 + 9516422916900 = 9669261^2 + 3084870^2 .

It is not a de Polignac number, because 103011031203021 - 2⁶ = 103011031202957 is a prime.

It is a super-2 number, since 2×103011031203021² (a number of 29 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 103011031202985 and 103011031203003.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (103011031223021) 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, 248687730 + ... + 249101603.

It is an arithmetic number, because the mean of its divisors is an integer number (12400015274829).

Almost surely, 2^{103011031203021} is an apocalyptic number.

It is an amenable number.

103011031203021 is a deficient number, since it is larger than the sum of its proper divisors (45789152094927).

103011031203021 is a wasteful number, since it uses less digits than its factorization.

103011031203021 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 497812332 (or 497812329 counting only the distinct ones).

The product of its (nonzero) digits is 108, while the sum is 18.

Adding to 103011031203021 its reverse (120302130110301), we get a palindrome (223313161313322).

The spelling of 103011031203021 in words is "one hundred three trillion, eleven billion, thirty-one million, two hundred three thousand, twenty-one".