102203434021 has 8 divisors (see below), whose sum is σ = 112624893920. Its totient is φ = 92147639472.

The previous prime is 102203433989. The next prime is 102203434031. The reversal of 102203434021 is 120434302201.

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 102203434021 - 2⁵ = 102203433989 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 102203433983 and 102203434001.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (102203434031) 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, 91415751 + ... + 91416868.

It is an arithmetic number, because the mean of its divisors is an integer number (14078111740).

Almost surely, 2^102203434021 is an apocalyptic number.

It is an amenable number.

102203434021 is a deficient number, since it is larger than the sum of its proper divisors (10421459899).

102203434021 is a wasteful number, since it uses less digits than its factorization.

102203434021 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 182832675.

The product of its (nonzero) digits is 1152, while the sum is 22.

Adding to 102203434021 its reverse (120434302201), we get a palindrome (222637736222).

The spelling of 102203434021 in words is "one hundred two billion, two hundred three million, four hundred thirty-four thousand, twenty-one".