122222102010 has 64 divisors (see below), whose sum is σ = 297608141952. Its totient is φ = 32118322176.

The previous prime is 122222101999. The next prime is 122222102011. The reversal of 122222102010 is 10201222221.

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

It is not an unprimeable number, because it can be changed into a prime (122222102011) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 2576022 + ... + 2623038.

It is an arithmetic number, because the mean of its divisors is an integer number (4650127218).

Almost surely, 2^122222102010 is an apocalyptic number.

122222102010 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 122222102010, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (148804070976).

122222102010 is an abundant number, since it is smaller than the sum of its proper divisors (175386039942).

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

122222102010 is a wasteful number, since it uses less digits than its factorization.

122222102010 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 48287.

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

Adding to 122222102010 its reverse (10201222221), we get a palindrome (132423324231).

The spelling of 122222102010 in words is "one hundred twenty-two billion, two hundred twenty-two million, one hundred two thousand, ten".