102112130220 has 24 divisors (see below), whose sum is σ = 285913964784. Its totient is φ = 27229901376.

The previous prime is 102112130213. The next prime is 102112130221. The reversal of 102112130220 is 22031211201.

It is a Harshad number since it is a multiple of its sum of digits (15).

It is a self number, because there is not a number n which added to its sum of digits gives 102112130220.

It is not an unprimeable number, because it can be changed into a prime (102112130221) 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, 850934359 + ... + 850934478.

It is an arithmetic number, because the mean of its divisors is an integer number (11913081866).

Almost surely, 2^102112130220 is an apocalyptic number.

102112130220 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

102112130220 is an abundant number, since it is smaller than the sum of its proper divisors (183801834564).

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

102112130220 is a wasteful number, since it uses less digits than its factorization.

102112130220 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1701868849 (or 1701868847 counting only the distinct ones).

The product of its (nonzero) digits is 48, while the sum is 15.

Adding to 102112130220 its reverse (22031211201), we get a palindrome (124143341421).

The spelling of 102112130220 in words is "one hundred two billion, one hundred twelve million, one hundred thirty thousand, two hundred twenty".