102100220102 has 8 divisors (see below), whose sum is σ = 153183615816. Its totient is φ = 51039014832.

The previous prime is 102100220077. The next prime is 102100220137. The reversal of 102100220102 is 201022001201.

It is a happy number.

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

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 5536103 + ... + 5554514.

It is an arithmetic number, because the mean of its divisors is an integer number (19147951977).

Almost surely, 2^102100220102 is an apocalyptic number.

102100220102 is a deficient number, since it is larger than the sum of its proper divisors (51083395714).

102100220102 is a wasteful number, since it uses less digits than its factorization.

102100220102 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 11095222.

The product of its (nonzero) digits is 16, while the sum is 11.

Adding to 102100220102 its reverse (201022001201), we get a palindrome (303122221303).

The spelling of 102100220102 in words is "one hundred two billion, one hundred million, two hundred twenty thousand, one hundred two".