1012020011 has 8 divisors (see below), whose sum is σ = 1027160160. Its totient is φ = 996982272.

The previous prime is 1012019993. The next prime is 1012020019. The reversal of 1012020011 is 1100202101.

1012020011 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-1012020011 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1012020019) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 5576 + ... + 45333.

It is an arithmetic number, because the mean of its divisors is an integer number (128395020).

Almost surely, 2^1012020011 is an apocalyptic number.

1012020011 is a deficient number, since it is larger than the sum of its proper divisors (15140149).

1012020011 is a wasteful number, since it uses less digits than its factorization.

1012020011 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 51205.

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

The square root of 1012020011 is about 31812.2619598167. The cubic root of 1012020011 is about 1003.9907232758.

Adding to 1012020011 its reverse (1100202101), we get a palindrome (2112222112).

The spelling of 1012020011 in words is "one billion, twelve million, twenty thousand, eleven".