2011221132122 has 8 divisors (see below), whose sum is σ = 3033499277172. Its totient is φ = 1000054706400.

The previous prime is 2011221132119. The next prime is 2011221132131. The reversal of 2011221132122 is 2212311221102.

It can be written as a sum of positive squares in 2 ways, for example, as 1228082859721 + 783138272401 = 1108189^2 + 884951^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is a junction number, because it is equal to n+sod(n) for n = 2011221132094 and 2011221132103.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2777929379 + ... + 2777930102.

Almost surely, 2^{2011221132122} is an apocalyptic number.

2011221132122 is a deficient number, since it is larger than the sum of its proper divisors (1022278145050).

2011221132122 is a wasteful number, since it uses less digits than its factorization.

2011221132122 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5555859664.

The product of its (nonzero) digits is 192, while the sum is 20.

Adding to 2011221132122 its reverse (2212311221102), we get a palindrome (4223532353224).

The spelling of 2011221132122 in words is "two trillion, eleven billion, two hundred twenty-one million, one hundred thirty-two thousand, one hundred twenty-two".