102102021001210 has 8 divisors (see below), whose sum is σ = 183783637802196. Its totient is φ = 40840808400480.

The previous prime is 102102021001153. The next prime is 102102021001241. The reversal of 102102021001210 is 12100120201201.

It can be written as a sum of positive squares in 2 ways, for example, as 92754870450489 + 9347150550721 = 9630933^2 + 3057311^2 .

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

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (29) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 5105101050051 + ... + 5105101050070.

Almost surely, 2^{102102021001210} is an apocalyptic number.

102102021001210 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

102102021001210 is a deficient number, since it is larger than the sum of its proper divisors (81681616800986).

102102021001210 is a wasteful number, since it uses less digits than its factorization.

102102021001210 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10210202100128.

The product of its (nonzero) digits is 16, while the sum is 13.

Adding to 102102021001210 its reverse (12100120201201), we get a palindrome (114202141202411).

The spelling of 102102021001210 in words is "one hundred two trillion, one hundred two billion, twenty-one million, one thousand, two hundred ten".