2211128311122 has 48 divisors (see below), whose sum is σ = 4855925325888. Its totient is φ = 727047312480.

The previous prime is 2211128311109. The next prime is 2211128311153. The reversal of 2211128311122 is 2211138211122.

2211128311122 is a `hidden beast` number, since 2 + 211 + 12 + 8 + 311 + 122 = 666.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 157654 + ... + 2108817.

It is an arithmetic number, because the mean of its divisors is an integer number (101165110956).

Almost surely, 2^{2211128311122} is an apocalyptic number.

2211128311122 is an abundant number, since it is smaller than the sum of its proper divisors (2644797014766).

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

2211128311122 is a wasteful number, since it uses less digits than its factorization.

2211128311122 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2267215 (or 2267212 counting only the distinct ones).

The product of its digits is 768, while the sum is 27.

The spelling of 2211128311122 in words is "two trillion, two hundred eleven billion, one hundred twenty-eight million, three hundred eleven thousand, one hundred twenty-two".