1121111020222 has 4 divisors (see below), whose sum is σ = 1681666530336. Its totient is φ = 560555510110.

The previous prime is 1121111020153. The next prime is 1121111020247. The reversal of 1121111020222 is 2220201111211.

It is a semiprime because it is the product of two primes.

It is a junction number, because it is equal to n+sod(n) for n = 1121111020196 and 1121111020205.

It is a congruent number.

It is an unprimeable number.

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 as a sum of consecutive naturals, namely, 280277755054 + ... + 280277755057.

It is an arithmetic number, because the mean of its divisors is an integer number (420416632584).

Almost surely, 2^{1121111020222} is an apocalyptic number.

1121111020222 is a deficient number, since it is larger than the sum of its proper divisors (560555510114).

1121111020222 is an equidigital number, since it uses as much as digits as its factorization.

1121111020222 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 560555510113.

The product of its (nonzero) digits is 32, while the sum is 16.

Adding to 1121111020222 its reverse (2220201111211), we get a palindrome (3341312131433).

The spelling of 1121111020222 in words is "one trillion, one hundred twenty-one billion, one hundred eleven million, twenty thousand, two hundred twenty-two".