2122303111012 has 72 divisors (see below), whose sum is σ = 4392690117984. Its totient is φ = 894388416768.

The previous prime is 2122303111009. The next prime is 2122303111067. The reversal of 2122303111012 is 2101113032212.

It is a super-2 number, since 2×2122303111012² (a number of 25 digits) contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 7249788 + ... + 7536844.

It is an arithmetic number, because the mean of its divisors is an integer number (61009584972).

Almost surely, 2^{2122303111012} is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 2122303111012, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (2196345058992).

2122303111012 is an abundant number, since it is smaller than the sum of its proper divisors (2270387006972).

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

2122303111012 is a wasteful number, since it uses less digits than its factorization.

2122303111012 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 287705 (or 287696 counting only the distinct ones).

The product of its (nonzero) digits is 144, while the sum is 19.

Adding to 2122303111012 its reverse (2101113032212), we get a palindrome (4223416143224).

The spelling of 2122303111012 in words is "two trillion, one hundred twenty-two billion, three hundred three million, one hundred eleven thousand, twelve".