102123101002 has 16 divisors (see below), whose sum is σ = 165020308992. Its totient is φ = 47118818160.

The previous prime is 102123100993. The next prime is 102123101023. The reversal of 102123101002 is 200101321201.

It is a Harshad number since it is a multiple of its sum of digits (13).

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, 537774 + ... + 702457.

It is an arithmetic number, because the mean of its divisors is an integer number (10313769312).

Almost surely, 2^102123101002 is an apocalyptic number.

102123101002 is a deficient number, since it is larger than the sum of its proper divisors (62897207990).

102123101002 is a wasteful number, since it uses less digits than its factorization.

102123101002 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1243413.

The product of its (nonzero) digits is 24, while the sum is 13.

Adding to 102123101002 its reverse (200101321201), we get a palindrome (302224422203).

The spelling of 102123101002 in words is "one hundred two billion, one hundred twenty-three million, one hundred one thousand, two".