1121020022 has 8 divisors (see below), whose sum is σ = 1681784976. Its totient is φ = 560425032.

The previous prime is 1121020009. The next prime is 1121020049. The reversal of 1121020022 is 2200201211.

It is a happy number.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a junction number, because it is equal to n+sod(n) for n = 1121019985 and 1121020012.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 24473 + ... + 53300.

It is an arithmetic number, because the mean of its divisors is an integer number (210223122).

Almost surely, 2^1121020022 is an apocalyptic number.

1121020022 is a deficient number, since it is larger than the sum of its proper divisors (560764954).

1121020022 is an equidigital number, since it uses as much as digits as its factorization.

1121020022 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 84982.

The product of its (nonzero) digits is 16, while the sum is 11.

The square root of 1121020022 is about 33481.6370866181. The cubic root of 1121020022 is about 1038.8139900812.

Adding to 1121020022 its reverse (2200201211), we get a palindrome (3321221233).

The spelling of 1121020022 in words is "one billion, one hundred twenty-one million, twenty thousand, twenty-two".