102111300220 has 48 divisors (see below), whose sum is σ = 217151625600. Its totient is φ = 40328133120.

The previous prime is 102111300209. The next prime is 102111300223. The reversal of 102111300220 is 22003111201.

It is a self number, because there is not a number n which added to its sum of digits gives 102111300220.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (102111300223) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1221565 + ... + 1302475.

It is an arithmetic number, because the mean of its divisors is an integer number (4523992200).

Almost surely, 2^102111300220 is an apocalyptic number.

102111300220 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

102111300220 is an abundant number, since it is smaller than the sum of its proper divisors (115040325380).

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

102111300220 is a wasteful number, since it uses less digits than its factorization.

102111300220 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 81718 (or 81716 counting only the distinct ones).

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

Adding to 102111300220 its reverse (22003111201), we get a palindrome (124114411421).

The spelling of 102111300220 in words is "one hundred two billion, one hundred eleven million, three hundred thousand, two hundred twenty".