1020111330 has 64 divisors (see below), whose sum is σ = 2945295360. Its totient is φ = 220895424.

The previous prime is 1020111329. The next prime is 1020111347. The reversal of 1020111330 is 331110201.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 123844 + ... + 131823.

It is an arithmetic number, because the mean of its divisors is an integer number (46020240).

Almost surely, 2^1020111330 is an apocalyptic number.

1020111330 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

1020111330 is an abundant number, since it is smaller than the sum of its proper divisors (1925184030).

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

1020111330 is a wasteful number, since it uses less digits than its factorization.

1020111330 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 255703.

The product of its (nonzero) digits is 18, while the sum is 12.

The square root of 1020111330 is about 31939.1817365442. The cubic root of 1020111330 is about 1006.6593315304.

Adding to 1020111330 its reverse (331110201), we get a palindrome (1351221531).

The spelling of 1020111330 in words is "one billion, twenty million, one hundred eleven thousand, three hundred thirty".