1121022022 has 4 divisors (see below), whose sum is σ = 1681533036. Its totient is φ = 560511010.

The previous prime is 1121022011. The next prime is 1121022043. The reversal of 1121022022 is 2202201211.

It is a happy number.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 2202201211 = 7 ⋅314600173.

It is a junction number, because it is equal to n+sod(n) for n = 1121021993 and 1121022011.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 280255504 + ... + 280255507.

It is an arithmetic number, because the mean of its divisors is an integer number (420383259).

Almost surely, 2^1121022022 is an apocalyptic number.

1121022022 is a deficient number, since it is larger than the sum of its proper divisors (560511014).

1121022022 is an equidigital number, since it uses as much as digits as its factorization.

1121022022 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 560511013.

The product of its (nonzero) digits is 32, while the sum is 13.

The square root of 1121022022 is about 33481.6669537226. Note that the first 3 decimals coincide. The cubic root of 1121022022 is about 1038.8146078598.

Adding to 1121022022 its reverse (2202201211), we get a palindrome (3323223233).

The spelling of 1121022022 in words is "one billion, one hundred twenty-one million, twenty-two thousand, twenty-two".