1121211002222 has 16 divisors (see below), whose sum is σ = 1785878740080. Its totient is φ = 526108157568.

The previous prime is 1121211002203. The next prime is 1121211002243. The reversal of 1121211002222 is 2222001121211.

It is a super-2 number, since 2×1121211002222² (a number of 25 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (17).

It is a self number, because there is not a number n which added to its sum of digits gives 1121211002222.

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, 47505197 + ... + 47528792.

It is an arithmetic number, because the mean of its divisors is an integer number (111617421255).

Almost surely, 2^{1121211002222} is an apocalyptic number.

1121211002222 is a deficient number, since it is larger than the sum of its proper divisors (664667737858).

1121211002222 is a wasteful number, since it uses less digits than its factorization.

1121211002222 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 95034355.

The product of its (nonzero) digits is 64, while the sum is 17.

Adding to 1121211002222 its reverse (2222001121211), we get a palindrome (3343212123433).

The spelling of 1121211002222 in words is "one trillion, one hundred twenty-one billion, two hundred eleven million, two thousand, two hundred twenty-two".