102011211200 has 42 divisors (see below), whose sum is σ = 251011340496. Its totient is φ = 40804483840.

The previous prime is 102011211199. The next prime is 102011211209. The reversal of 102011211200 is 2112110201.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (102011211209) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 31876904 + ... + 31880103.

It is an arithmetic number, because the mean of its divisors is an integer number (5976460488).

Almost surely, 2^102011211200 is an apocalyptic number.

102011211200 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

102011211200 is an abundant number, since it is smaller than the sum of its proper divisors (149000129296).

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

102011211200 is an equidigital number, since it uses as much as digits as its factorization.

102011211200 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 63757029 (or 63757014 counting only the distinct ones).

The product of its (nonzero) digits is 8, while the sum is 11.

Adding to 102011211200 its reverse (2112110201), we get a palindrome (104123321401).

The spelling of 102011211200 in words is "one hundred two billion, eleven million, two hundred eleven thousand, two hundred".