1002221021011 has 8 divisors (see below), whose sum is σ = 1145439970400. Its totient is φ = 859013201088.

The previous prime is 1002221020987. The next prime is 1002221021057. The reversal of 1002221021011 is 1101201222001.

1002221021011 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 not a de Polignac number, because 1002221021011 - 2²¹ = 1002218923859 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 1002221020982 and 1002221021000.

It is not an unprimeable number, because it can be changed into a prime (1002221021611) 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, 2588496 + ... + 2950381.

It is an arithmetic number, because the mean of its divisors is an integer number (143179996300).

Almost surely, 2^{1002221021011} is an apocalyptic number.

1002221021011 is a deficient number, since it is larger than the sum of its proper divisors (143218949389).

1002221021011 is an equidigital number, since it uses as much as digits as its factorization.

1002221021011 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5564733.

The product of its (nonzero) digits is 16, while the sum is 13.

Adding to 1002221021011 its reverse (1101201222001), we get a palindrome (2103422243012).

The spelling of 1002221021011 in words is "one trillion, two billion, two hundred twenty-one million, twenty-one thousand, eleven".