222111221002222 has 16 divisors (see below), whose sum is σ = 339114847790592. Its totient is φ = 109090254319200.

The previous prime is 222111221002211. The next prime is 222111221002259. The reversal of 222111221002222 is 222200122111222.

It is a super-2 number, since 2×222111221002222² (a number of 29 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 222111221002193 and 222111221002202.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 4328952693 + ... + 4329004000.

It is an arithmetic number, because the mean of its divisors is an integer number (21194677986912).

Almost surely, 2^{222111221002222} is an apocalyptic number.

222111221002222 is a deficient number, since it is larger than the sum of its proper divisors (117003626788370).

222111221002222 is a wasteful number, since it uses less digits than its factorization.

222111221002222 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8657956923.

The product of its (nonzero) digits is 512, while the sum is 22.

Adding to 222111221002222 its reverse (222200122111222), we get a palindrome (444311343113444).

The spelling of 222111221002222 in words is "two hundred twenty-two trillion, one hundred eleven billion, two hundred twenty-one million, two thousand, two hundred twenty-two".