1011120011 has 16 divisors (see below), whose sum is σ = 1117670400. Its totient is φ = 907051200.

The previous prime is 1011119987. The next prime is 1011120013. The reversal of 1011120011 is 1100211101.

It is a happy number.

It is not a de Polignac number, because 1011120011 - 2¹⁸ = 1010857867 is a prime.

It is not an unprimeable number, because it can be changed into a prime (1011120013) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 820766 + ... + 821996.

It is an arithmetic number, because the mean of its divisors is an integer number (69854400).

Almost surely, 2^1011120011 is an apocalyptic number.

1011120011 is a gapful number since it is divisible by the number (11) formed by its first and last digit.

1011120011 is a deficient number, since it is larger than the sum of its proper divisors (106550389).

1011120011 is a wasteful number, since it uses less digits than its factorization.

1011120011 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2170.

The product of its (nonzero) digits is 2, while the sum is 8.

The square root of 1011120011 is about 31798.1133245355. The cubic root of 1011120011 is about 1003.6930151833.

Adding to 1011120011 its reverse (1100211101), we get a palindrome (2111331112).

The spelling of 1011120011 in words is "one billion, eleven million, one hundred twenty thousand, eleven".