2221222200111 has 16 divisors (see below), whose sum is σ = 3323280743520. Its totient is φ = 1466153265600.

The previous prime is 2221222200091. The next prime is 2221222200133. The reversal of 2221222200111 is 1110022221222.

It is a happy number.

It is not a de Polignac number, because 2221222200111 - 2¹⁰ = 2221222199087 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2221222204111) by changing a digit.

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 15 ways as a sum of consecutive naturals, for example, 407262070 + ... + 407267523.

It is an arithmetic number, because the mean of its divisors is an integer number (207705046470).

Almost surely, 2^{2221222200111} is an apocalyptic number.

2221222200111 is a deficient number, since it is larger than the sum of its proper divisors (1102058543409).

2221222200111 is a wasteful number, since it uses less digits than its factorization.

2221222200111 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 814529703 (or 814529697 counting only the distinct ones).

The product of its (nonzero) digits is 128, while the sum is 18.

Adding to 2221222200111 its reverse (1110022221222), we get a palindrome (3331244421333).

The spelling of 2221222200111 in words is "two trillion, two hundred twenty-one billion, two hundred twenty-two million, two hundred thousand, one hundred eleven".