1011130220 has 24 divisors (see below), whose sum is σ = 2235130800. Its totient is φ = 383164992.

The previous prime is 1011130217. The next prime is 1011130247. The reversal of 1011130220 is 220311101.

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, 1330055 + ... + 1330814.

It is an arithmetic number, because the mean of its divisors is an integer number (93130450).

Almost surely, 2^1011130220 is an apocalyptic number.

1011130220 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1011130220 is an abundant number, since it is smaller than the sum of its proper divisors (1224000580).

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

1011130220 is a wasteful number, since it uses less digits than its factorization.

1011130220 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2660897 (or 2660895 counting only the distinct ones).

The product of its (nonzero) digits is 12, while the sum is 11.

The square root of 1011130220 is about 31798.2738525222. The cubic root of 1011130220 is about 1003.6963931758.

Adding to 1011130220 its reverse (220311101), we get a palindrome (1231441321).

The spelling of 1011130220 in words is "one billion, eleven million, one hundred thirty thousand, two hundred twenty".