102022221012002 has 8 divisors (see below), whose sum is σ = 154060400857500. Its totient is φ = 50668754059504.

The previous prime is 102022221011959. The next prime is 102022221012007. The reversal of 102022221012002 is 200210122220201.

It is a happy number.

It can be written as a sum of positive squares in 2 ways, for example, as 101947167478321 + 75053533681 = 10096889^2 + 273959^2 .

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

It is not an unprimeable number, because it can be changed into a prime (102022221012007) by changing a digit.

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, 171178222877 + ... + 171178223472.

Almost surely, 2^{102022221012002} is an apocalyptic number.

102022221012002 is a deficient number, since it is larger than the sum of its proper divisors (52038179845498).

102022221012002 is a wasteful number, since it uses less digits than its factorization.

102022221012002 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 342356446500.

The product of its (nonzero) digits is 128, while the sum is 17.

Adding to 102022221012002 its reverse (200210122220201), we get a palindrome (302232343232203).

The spelling of 102022221012002 in words is "one hundred two trillion, twenty-two billion, two hundred twenty-one million, twelve thousand, two".