102111211002 has 16 divisors (see below), whose sum is σ = 204440386752. Its totient is φ = 34000742880.

The previous prime is 102111210973. The next prime is 102111211021. The reversal of 102111211002 is 200112111201.

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 7 ways as a sum of consecutive naturals, for example, 9075774 + ... + 9087017.

It is an arithmetic number, because the mean of its divisors is an integer number (12777524172).

Almost surely, 2^102111211002 is an apocalyptic number.

102111211002 is an abundant number, since it is smaller than the sum of its proper divisors (102329175750).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

102111211002 is a wasteful number, since it uses less digits than its factorization.

102111211002 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 18163733.

The product of its (nonzero) digits is 8, while the sum is 12.

Adding to 102111211002 its reverse (200112111201), we get a palindrome (302223322203).

The spelling of 102111211002 in words is "one hundred two billion, one hundred eleven million, two hundred eleven thousand, two".