1001012021011 has 8 divisors (see below), whose sum is σ = 1007034282944. Its totient is φ = 995001817320.

The previous prime is 1001012020999. The next prime is 1001012021021. The reversal of 1001012021011 is 1101202101001.

1001012021011 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 not a de Polignac number, because 1001012021011 - 2⁵ = 1001012020979 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1001012021021) 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, 2848005 + ... + 3180118.

It is an arithmetic number, because the mean of its divisors is an integer number (125879285368).

Almost surely, 2^{1001012021011} is an apocalyptic number.

1001012021011 is a deficient number, since it is larger than the sum of its proper divisors (6022261933).

1001012021011 is an equidigital number, since it uses as much as digits as its factorization.

1001012021011 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6029121.

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

Adding to 1001012021011 its reverse (1101202101001), we get a palindrome (2102214122012).

The spelling of 1001012021011 in words is "one trillion, one billion, twelve million, twenty-one thousand, eleven".