1011123330 has 48 divisors (see below), whose sum is σ = 2822895360. Its totient is φ = 231113568.

The previous prime is 1011123329. The next prime is 1011123343. The reversal of 1011123330 is 333211101.

It is a Harshad number since it is a multiple of its sum of digits (15).

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 342450 + ... + 345389.

It is an arithmetic number, because the mean of its divisors is an integer number (58810320).

Almost surely, 2^1011123330 is an apocalyptic number.

1011123330 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

1011123330 is an abundant number, since it is smaller than the sum of its proper divisors (1811772030).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

1011123330 is a wasteful number, since it uses less digits than its factorization.

1011123330 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 687863 (or 687856 counting only the distinct ones).

The product of its (nonzero) digits is 54, while the sum is 15.

The square root of 1011123330 is about 31798.1655131236. The cubic root of 1011123330 is about 1003.6941133891.

Adding to 1011123330 its reverse (333211101), we get a palindrome (1344334431).

The spelling of 1011123330 in words is "one billion, eleven million, one hundred twenty-three thousand, three hundred thirty".