102202200021 has 8 divisors (see below), whose sum is σ = 143441684320. Its totient is φ = 64548757872.

The previous prime is 102202200019. The next prime is 102202200043. The reversal of 102202200021 is 120002202201.

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

It is not a de Polignac number, because 102202200021 - 2¹ = 102202200019 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (102202200011) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 896510470 + ... + 896510583.

It is an arithmetic number, because the mean of its divisors is an integer number (17930210540).

Almost surely, 2^102202200021 is an apocalyptic number.

It is an amenable number.

102202200021 is a deficient number, since it is larger than the sum of its proper divisors (41239484299).

102202200021 is a wasteful number, since it uses less digits than its factorization.

102202200021 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1793021075.

The product of its (nonzero) digits is 32, while the sum is 12.

Adding to 102202200021 its reverse (120002202201), we get a palindrome (222204402222).

The spelling of 102202200021 in words is "one hundred two billion, two hundred two million, two hundred thousand, twenty-one".