102110021002 has 16 divisors (see below), whose sum is σ = 167206267872. Its totient is φ = 46381106320.

The previous prime is 102110020973. The next prime is 102110021021. The reversal of 102110021002 is 200120011201.

It is a self number, because there is not a number n which added to its sum of digits gives 102110021002.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1594873 + ... + 1657660.

It is an arithmetic number, because the mean of its divisors is an integer number (10450391742).

Almost surely, 2^102110021002 is an apocalyptic number.

102110021002 is a deficient number, since it is larger than the sum of its proper divisors (65096246870).

102110021002 is a wasteful number, since it uses less digits than its factorization.

102110021002 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3253973.

The product of its (nonzero) digits is 8, while the sum is 10.

Adding to 102110021002 its reverse (200120011201), we get a palindrome (302230032203).

The spelling of 102110021002 in words is "one hundred two billion, one hundred ten million, twenty-one thousand, two".