102221221112002 has 8 divisors (see below), whose sum is σ = 154218142834236. Its totient is φ = 50815173500592.

The previous prime is 102221221111963. The next prime is 102221221112053. The reversal of 102221221112002 is 200211122122201.

It can be written as a sum of positive squares in 2 ways, for example, as 101888210172961 + 333010939041 = 10093969^2 + 577071^2 .

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 (23) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 147718527273 + ... + 147718527964.

Almost surely, 2^{102221221112002} is an apocalyptic number.

102221221112002 is a deficient number, since it is larger than the sum of its proper divisors (51996921722234).

102221221112002 is a wasteful number, since it uses less digits than its factorization.

102221221112002 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 295437055412.

The product of its (nonzero) digits is 128, while the sum is 19.

Adding to 102221221112002 its reverse (200211122122201), we get a palindrome (302432343234203).

The spelling of 102221221112002 in words is "one hundred two trillion, two hundred twenty-one billion, two hundred twenty-one million, one hundred twelve thousand, two".