120221202210 has 64 divisors (see below), whose sum is σ = 294267323520. Its totient is φ = 31422809600.

The previous prime is 120221202187. The next prime is 120221202221. The reversal of 120221202210 is 12202122021.

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 120221202210.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 1583110 + ... + 1657310.

It is an arithmetic number, because the mean of its divisors is an integer number (4597926930).

Almost surely, 2^120221202210 is an apocalyptic number.

120221202210 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is a practical number, because each smaller number is the sum of distinct divisors of 120221202210, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (147133661760).

120221202210 is an abundant number, since it is smaller than the sum of its proper divisors (174046121310).

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

120221202210 is a wasteful number, since it uses less digits than its factorization.

120221202210 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 75283.

The product of its (nonzero) digits is 64, while the sum is 15.

Adding to 120221202210 its reverse (12202122021), we get a palindrome (132423324231).

The spelling of 120221202210 in words is "one hundred twenty billion, two hundred twenty-one million, two hundred two thousand, two hundred ten".