1120020011 has 32 divisors (see below), whose sum is σ = 1294368768. Its totient is φ = 960049440.

The previous prime is 1120019977. The next prime is 1120020023. The reversal of 1120020011 is 1100200211.

It is a cyclic number.

It is not a de Polignac number, because 1120020011 - 2¹⁸ = 1119757867 is a prime.

It is not an unprimeable number, because it can be changed into a prime (1120020091) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 1844870 + ... + 1845476.

It is an arithmetic number, because the mean of its divisors is an integer number (40449024).

Almost surely, 2^1120020011 is an apocalyptic number.

1120020011 is a gapful number since it is divisible by the number (11) formed by its first and last digit.

1120020011 is a deficient number, since it is larger than the sum of its proper divisors (174348757).

1120020011 is a wasteful number, since it uses less digits than its factorization.

1120020011 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 791.

The product of its (nonzero) digits is 4, while the sum is 8.

The square root of 1120020011 is about 33466.7000315239. The cubic root of 1120020011 is about 1038.5050052738.

Adding to 1120020011 its reverse (1100200211), we get a palindrome (2220220222).

It can be divided in two parts, 11200200 and 11, that added together give a palindrome (11200211).

The spelling of 1120020011 in words is "one billion, one hundred twenty million, twenty thousand, eleven".