102111211210 has 16 divisors (see below), whose sum is σ = 184014165600. Its totient is φ = 40796932176.

The previous prime is 102111211177. The next prime is 102111211219. The reversal of 102111211210 is 12112111201.

It is a happy number.

It is not an unprimeable number, because it can be changed into a prime (102111211219) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 5935020 + ... + 5952199.

It is an arithmetic number, because the mean of its divisors is an integer number (11500885350).

Almost surely, 2^102111211210 is an apocalyptic number.

102111211210 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

102111211210 is a deficient number, since it is larger than the sum of its proper divisors (81902954390).

102111211210 is a wasteful number, since it uses less digits than its factorization.

102111211210 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 11888085.

The product of its (nonzero) digits is 8, while the sum is 13.

Adding to 102111211210 its reverse (12112111201), we get a palindrome (114223322411).

The spelling of 102111211210 in words is "one hundred two billion, one hundred eleven million, two hundred eleven thousand, two hundred ten".