1121020330 has 16 divisors (see below), whose sum is σ = 2124038880. Its totient is φ = 424807632.

The previous prime is 1121020321. The next prime is 1121020343. The reversal of 1121020330 is 330201211.

It is a self number, because there is not a number n which added to its sum of digits gives 1121020330.

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, 2949864 + ... + 2950243.

It is an arithmetic number, because the mean of its divisors is an integer number (132752430).

Almost surely, 2^1121020330 is an apocalyptic number.

1121020330 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

1121020330 is a deficient number, since it is larger than the sum of its proper divisors (1003018550).

1121020330 is a wasteful number, since it uses less digits than its factorization.

1121020330 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5900133.

The product of its (nonzero) digits is 36, while the sum is 13.

The square root of 1121020330 is about 33481.6416861539. The cubic root of 1121020330 is about 1038.8140852191.

Adding to 1121020330 its reverse (330201211), we get a palindrome (1451221541).

The spelling of 1121020330 in words is "one billion, one hundred twenty-one million, twenty thousand, three hundred thirty".