2211201212122 has 16 divisors (see below), whose sum is σ = 3847207227840. Its totient is φ = 933513517728.

The previous prime is 2211201212093. The next prime is 2211201212131. The reversal of 2211201212122 is 2212121021122.

It is a self number, because there is not a number n which added to its sum of digits gives 2211201212122.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1178677747 + ... + 1178679622.

It is an arithmetic number, because the mean of its divisors is an integer number (240450451740).

Almost surely, 2^{2211201212122} is an apocalyptic number.

2211201212122 is a deficient number, since it is larger than the sum of its proper divisors (1636006015718).

2211201212122 is a wasteful number, since it uses less digits than its factorization.

2211201212122 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2357357445.

The product of its (nonzero) digits is 128, while the sum is 19.

Adding to 2211201212122 its reverse (2212121021122), we get a palindrome (4423322233244).

The spelling of 2211201212122 in words is "two trillion, two hundred eleven billion, two hundred one million, two hundred twelve thousand, one hundred twenty-two".