102102212221006 has 4 divisors (see below), whose sum is σ = 153153318331512. Its totient is φ = 51051106110502.

The previous prime is 102102212220997. The next prime is 102102212221007. The reversal of 102102212221006 is 600122212201201.

It is a semiprime because it is the product of two primes.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (102102212221007) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 25525553055250 + ... + 25525553055253.

It is an arithmetic number, because the mean of its divisors is an integer number (38288329582878).

Almost surely, 2^{102102212221006} is an apocalyptic number.

102102212221006 is a deficient number, since it is larger than the sum of its proper divisors (51051106110506).

102102212221006 is an equidigital number, since it uses as much as digits as its factorization.

102102212221006 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 51051106110505.

The product of its (nonzero) digits is 384, while the sum is 22.

Adding to 102102212221006 its reverse (600122212201201), we get a palindrome (702224424422207).

The spelling of 102102212221006 in words is "one hundred two trillion, one hundred two billion, two hundred twelve million, two hundred twenty-one thousand, six".