2122211311012 has 24 divisors (see below), whose sum is σ = 3999595355000. Its totient is φ = 979471547136.

The previous prime is 2122211310917. The next prime is 2122211311013. The reversal of 2122211311012 is 2101131122212.

It can be written as a sum of positive squares in 4 ways, for example, as 172568791396 + 1949642519616 = 415414^2 + 1396296^2 .

It is not an unprimeable number, because it can be changed into a prime (2122211311013) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 6696064 + ... + 7005832.

Almost surely, 2^{2122211311012} is an apocalyptic number.

It is an amenable number.

2122211311012 is a deficient number, since it is larger than the sum of its proper divisors (1877384043988).

2122211311012 is a wasteful number, since it uses less digits than its factorization.

2122211311012 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 441535 (or 441533 counting only the distinct ones).

The product of its (nonzero) digits is 96, while the sum is 19.

Adding to 2122211311012 its reverse (2101131122212), we get a palindrome (4223342433224).

The spelling of 2122211311012 in words is "two trillion, one hundred twenty-two billion, two hundred eleven million, three hundred eleven thousand, twelve".