102210021002 has 8 divisors (see below), whose sum is σ = 155415237636. Its totient is φ = 50404941792.

The previous prime is 102210020947. The next prime is 102210021013. The reversal of 102210021002 is 200120012201.

It is a happy number.

It can be written as a sum of positive squares in 2 ways, for example, as 88625885401 + 13584135601 = 297701^2 + 116551^2 .

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

It is a super-3 number, since 3×102210021002³ (a number of 34 digits) contains 333 as substring.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 350034173 + ... + 350034464.

Almost surely, 2^102210021002 is an apocalyptic number.

102210021002 is a deficient number, since it is larger than the sum of its proper divisors (53205216634).

102210021002 is an equidigital number, since it uses as much as digits as its factorization.

102210021002 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 700068712.

The product of its (nonzero) digits is 16, while the sum is 11.

Adding to 102210021002 its reverse (200120012201), we get a palindrome (302330033203).

The spelling of 102210021002 in words is "one hundred two billion, two hundred ten million, twenty-one thousand, two".