102222210021002 has 8 divisors (see below), whose sum is σ = 162352921798116. Its totient is φ = 48104569421632.

The previous prime is 102222210020939. The next prime is 102222210021047. The reversal of 102222210021002 is 200120012222201.

It is a happy number.

It can be written as a sum of positive squares in 2 ways, for example, as 101467968143161 + 754241877841 = 10073131^2 + 868471^2 .

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

It is a Harshad number since it is a multiple of its sum of digits (17).

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, 1503267794393 + ... + 1503267794460.

Almost surely, 2^{102222210021002} is an apocalyptic number.

102222210021002 is a deficient number, since it is larger than the sum of its proper divisors (60130711777114).

102222210021002 is a wasteful number, since it uses less digits than its factorization.

102222210021002 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3006535588872.

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

Adding to 102222210021002 its reverse (200120012222201), we get a palindrome (302342222243203).

The spelling of 102222210021002 in words is "one hundred two trillion, two hundred twenty-two billion, two hundred ten million, twenty-one thousand, two".