102111202210 has 16 divisors (see below), whose sum is σ = 183930636600. Its totient is φ = 40815486976.

The previous prime is 102111202183. The next prime is 102111202213. The reversal of 102111202210 is 12202111201.

It can be written as a sum of positive squares in 4 ways, for example, as 17344626601 + 84766575609 = 131699^2 + 291147^2 .

It is not an unprimeable number, because it can be changed into a prime (102111202213) by changing a digit.

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, 3609445 + ... + 3637624.

Almost surely, 2^102111202210 is an apocalyptic number.

102111202210 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

102111202210 is a deficient number, since it is larger than the sum of its proper divisors (81819434390).

102111202210 is a wasteful number, since it uses less digits than its factorization.

102111202210 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7248485.

The product of its (nonzero) digits is 16, while the sum is 13.

Adding to 102111202210 its reverse (12202111201), we get a palindrome (114313313411).

The spelling of 102111202210 in words is "one hundred two billion, one hundred eleven million, two hundred two thousand, two hundred ten".