102220043120 has 80 divisors (see below), whose sum is σ = 257071358880. Its totient is φ = 37576430592.

The previous prime is 102220043017. The next prime is 102220043141. The reversal of 102220043120 is 21340022201.

It is a tau number, because it is divible by the number of its divisors (80).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 19586 + ... + 452574.

It is an arithmetic number, because the mean of its divisors is an integer number (3213391986).

Almost surely, 2^102220043120 is an apocalyptic number.

102220043120 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 102220043120, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (128535679440).

102220043120 is an abundant number, since it is smaller than the sum of its proper divisors (154851315760).

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

102220043120 is a wasteful number, since it uses less digits than its factorization.

102220043120 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 433242 (or 433236 counting only the distinct ones).

The product of its (nonzero) digits is 192, while the sum is 17.

Adding to 102220043120 its reverse (21340022201), we get a palindrome (123560065321).

The spelling of 102220043120 in words is "one hundred two billion, two hundred twenty million, forty-three thousand, one hundred twenty".