1001020211011 has 4 divisors (see below), whose sum is σ = 1001042733712. Its totient is φ = 1000997688312.

The previous prime is 1001020210919. The next prime is 1001020211021. The reversal of 1001020211011 is 1101120201001.

1001020211011 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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 1001020211011 - 2²³ = 1001011822403 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1001020211021) 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, 11194551 + ... + 11283616.

It is an arithmetic number, because the mean of its divisors is an integer number (250260683428).

Almost surely, 2^{1001020211011} is an apocalyptic number.

1001020211011 is a deficient number, since it is larger than the sum of its proper divisors (22522701).

1001020211011 is an equidigital number, since it uses as much as digits as its factorization.

1001020211011 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 22522700.

The product of its (nonzero) digits is 4, while the sum is 10.

Adding to 1001020211011 its reverse (1101120201001), we get a palindrome (2102140412012).

The spelling of 1001020211011 in words is "one trillion, one billion, twenty million, two hundred eleven thousand, eleven".