122220011310 has 128 divisors (see below), whose sum is σ = 325119909888. Its totient is φ = 29266944000.

The previous prime is 122220011281. The next prime is 122220011357. The reversal of 122220011310 is 13110022221.

It is a super-2 number, since 2×122220011310² (a number of 23 digits) contains 22 as substring.

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

It is a Curzon number.

It is a self number, because there is not a number n which added to its sum of digits gives 122220011310.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 1068070 + ... + 1176950.

It is an arithmetic number, because the mean of its divisors is an integer number (2539999296).

Almost surely, 2^122220011310 is an apocalyptic number.

122220011310 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 122220011310, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (162559954944).

122220011310 is an abundant number, since it is smaller than the sum of its proper divisors (202899898578).

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

122220011310 is a wasteful number, since it uses less digits than its factorization.

122220011310 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 109010.

The product of its (nonzero) digits is 48, while the sum is 15.

Adding to 122220011310 its reverse (13110022221), we get a palindrome (135330033531).

The spelling of 122220011310 in words is "one hundred twenty-two billion, two hundred twenty million, eleven thousand, three hundred ten".