1020011011 has 8 divisors (see below), whose sum is σ = 1055960064. Its totient is φ = 984252360.

The previous prime is 1020010993. The next prime is 1020011017. The reversal of 1020011011 is 1101100201.

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

It is a cyclic number.

It is not a de Polignac number, because 1020011011 - 2¹¹ = 1020008963 is a prime.

It is a super-2 number, since 2×1020011011² = 2080844925122484242, which contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 1020010985 and 1020011003.

It is not an unprimeable number, because it can be changed into a prime (1020011017) 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, 36655 + ... + 58168.

It is an arithmetic number, because the mean of its divisors is an integer number (131995008).

Almost surely, 2^1020011011 is an apocalyptic number.

1020011011 is a deficient number, since it is larger than the sum of its proper divisors (35949053).

1020011011 is an equidigital number, since it uses as much as digits as its factorization.

1020011011 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 95201.

The product of its (nonzero) digits is 2, while the sum is 7.

The square root of 1020011011 is about 31937.6112287691. The cubic root of 1020011011 is about 1006.6263317440.

Adding to 1020011011 its reverse (1101100201), we get a palindrome (2121111212).

The spelling of 1020011011 in words is "one billion, twenty million, eleven thousand, eleven".