102111003220 has 24 divisors (see below), whose sum is σ = 214654898304. Its totient is φ = 40802155296.

The previous prime is 102111003143. The next prime is 102111003221. The reversal of 102111003220 is 22300111201.

102111003220 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is a self number, because there is not a number n which added to its sum of digits gives 102111003220.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (102111003221) 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, 2620552 + ... + 2659231.

It is an arithmetic number, because the mean of its divisors is an integer number (8943954096).

Almost surely, 2^102111003220 is an apocalyptic number.

102111003220 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

102111003220 is an abundant number, since it is smaller than the sum of its proper divisors (112543895084).

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

102111003220 is a wasteful number, since it uses less digits than its factorization.

102111003220 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5280759 (or 5280757 counting only the distinct ones).

The product of its (nonzero) digits is 24, while the sum is 13.

Adding to 102111003220 its reverse (22300111201), we get a palindrome (124411114421).

The spelling of 102111003220 in words is "one hundred two billion, one hundred eleven million, three thousand, two hundred twenty".