103021313020021 has 16 divisors (see below), whose sum is σ = 112577545290240. Its totient is φ = 93496881607920.

The previous prime is 103021313020013. The next prime is 103021313020037. The reversal of 103021313020021 is 120020313120301.

It is a cyclic number.

It is not a de Polignac number, because 103021313020021 - 2³ = 103021313020013 is a prime.

It is a super-2 number, since 2×103021313020021² (a number of 29 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (103021313020321) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 84527866 + ... + 85737988.

It is an arithmetic number, because the mean of its divisors is an integer number (7036096580640).

Almost surely, 2^{103021313020021} is an apocalyptic number.

103021313020021 is a gapful number since it is divisible by the number (11) formed by its first and last digit.

It is an amenable number.

103021313020021 is a deficient number, since it is larger than the sum of its proper divisors (9556232270219).

103021313020021 is a wasteful number, since it uses less digits than its factorization.

103021313020021 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1223256.

The product of its (nonzero) digits is 216, while the sum is 19.

Adding to 103021313020021 its reverse (120020313120301), we get a palindrome (223041626140322).

The spelling of 103021313020021 in words is "one hundred three trillion, twenty-one billion, three hundred thirteen million, twenty thousand, twenty-one".