102030103021 has 16 divisors (see below), whose sum is σ = 127274313600. Its totient is φ = 79461506880.

The previous prime is 102030103009. The next prime is 102030103027. The reversal of 102030103021 is 120301030201.

It is not a de Polignac number, because 102030103021 - 2⁹ = 102030102509 is a prime.

It is a super-3 number, since 3×102030103021³ (a number of 34 digits) contains 333 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 102030102992 and 102030103010.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (102030103027) 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 15 ways as a sum of consecutive naturals, for example, 208446 + ... + 497503.

It is an arithmetic number, because the mean of its divisors is an integer number (7954644600).

Almost surely, 2^102030103021 is an apocalyptic number.

102030103021 is a gapful number since it is divisible by the number (11) formed by its first and last digit.

It is an amenable number.

102030103021 is a deficient number, since it is larger than the sum of its proper divisors (25244210579).

102030103021 is a wasteful number, since it uses less digits than its factorization.

102030103021 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 707844.

The product of its (nonzero) digits is 36, while the sum is 13.

Adding to 102030103021 its reverse (120301030201), we get a palindrome (222331133222).

The spelling of 102030103021 in words is "one hundred two billion, thirty million, one hundred three thousand, twenty-one".