1121210222222 has 16 divisors (see below), whose sum is σ = 1692904292352. Its totient is φ = 556912832280.

The previous prime is 1121210222219. The next prime is 1121210222239. The reversal of 1121210222222 is 2222220121211.

It is a super-2 number, since 2×1121210222222² (a number of 25 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 1121210222194 and 1121210222203.

It is a congruent number.

It is an unprimeable number.

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 7 ways as a sum of consecutive naturals, for example, 453854 + ... + 1564737.

It is an arithmetic number, because the mean of its divisors is an integer number (105806518272).

Almost surely, 2^{1121210222222} is an apocalyptic number.

1121210222222 is a deficient number, since it is larger than the sum of its proper divisors (571694070130).

1121210222222 is a wasteful number, since it uses less digits than its factorization.

1121210222222 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2020423.

The product of its (nonzero) digits is 256, while the sum is 20.

Adding to 1121210222222 its reverse (2222220121211), we get a palindrome (3343430343433).

The spelling of 1121210222222 in words is "one trillion, one hundred twenty-one billion, two hundred ten million, two hundred twenty-two thousand, two hundred twenty-two".