102100010010221 has 8 divisors (see below), whose sum is σ = 105271943577504. Its totient is φ = 98964327112560.

The previous prime is 102100010010199. The next prime is 102100010010233. The reversal of 102100010010221 is 122010010001201.

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 102100010010221 - 2⁶ = 102100010010157 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 (102100010010281) 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, 9062661686 + ... + 9062672951.

It is an arithmetic number, because the mean of its divisors is an integer number (13158992947188).

Almost surely, 2^{102100010010221} is an apocalyptic number.

It is an amenable number.

102100010010221 is a deficient number, since it is larger than the sum of its proper divisors (3171933567283).

102100010010221 is a wasteful number, since it uses less digits than its factorization.

102100010010221 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 18125334811.

The product of its (nonzero) digits is 8, while the sum is 11.

Adding to 102100010010221 its reverse (122010010001201), we get a palindrome (224110020011422).

The spelling of 102100010010221 in words is "one hundred two trillion, one hundred billion, ten million, ten thousand, two hundred twenty-one".