2211111010122 has 32 divisors (see below), whose sum is σ = 5054237004672. Its totient is φ = 631712380224.

The previous prime is 2211111010093. The next prime is 2211111010253. The reversal of 2211111010122 is 2210101111122.

It is a happy number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 596973 + ... + 2186000.

It is an arithmetic number, because the mean of its divisors is an integer number (157944906396).

Almost surely, 2^{2211111010122} is an apocalyptic number.

2211111010122 is an abundant number, since it is smaller than the sum of its proper divisors (2843125994550).

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

2211111010122 is a wasteful number, since it uses less digits than its factorization.

2211111010122 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2801902.

The product of its (nonzero) digits is 16, while the sum is 15.

Adding to 2211111010122 its reverse (2210101111122), we get a palindrome (4421212121244).

The spelling of 2211111010122 in words is "two trillion, two hundred eleven billion, one hundred eleven million, ten thousand, one hundred twenty-two".