101001020011 has 4 divisors (see below), whose sum is σ = 101041798032. Its totient is φ = 100960241992.

The previous prime is 101001019993. The next prime is 101001020089. The reversal of 101001020011 is 110020100101.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 101001020011 - 2¹⁷ = 101000888939 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 101001019976 and 101001020003.

It is not an unprimeable number, because it can be changed into a prime (101001020311) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 20385295 + ... + 20390248.

It is an arithmetic number, because the mean of its divisors is an integer number (25260449508).

Almost surely, 2^101001020011 is an apocalyptic number.

101001020011 is a deficient number, since it is larger than the sum of its proper divisors (40778021).

101001020011 is an equidigital number, since it uses as much as digits as its factorization.

101001020011 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 40778020.

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

Adding to 101001020011 its reverse (110020100101), we get a palindrome (211021120112).

The spelling of 101001020011 in words is "one hundred one billion, one million, twenty thousand, eleven".