2211202211122 has 8 divisors (see below), whose sum is σ = 3316811648796. Its totient is φ = 1105598328192.

The previous prime is 2211202211111. The next prime is 2211202211123. The reversal of 2211202211122 is 2211122021122.

It can be written as a sum of positive squares in 2 ways, for example, as 1870742798001 + 340459413121 = 1367751^2 + 583489^2 .

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

It is a self number, because there is not a number n which added to its sum of digits gives 2211202211122.

It is not an unprimeable number, because it can be changed into a prime (2211202211123) by changing a digit.

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, 184743 + ... + 2111050.

Almost surely, 2^{2211202211122} is an apocalyptic number.

2211202211122 is a deficient number, since it is larger than the sum of its proper divisors (1105609437674).

2211202211122 is a wasteful number, since it uses less digits than its factorization.

2211202211122 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2777372.

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

Adding to 2211202211122 its reverse (2211122021122), we get a palindrome (4422324232244).

The spelling of 2211202211122 in words is "two trillion, two hundred eleven billion, two hundred two million, two hundred eleven thousand, one hundred twenty-two".