1002443020111 has 4 divisors (see below), whose sum is σ = 1079554021672. Its totient is φ = 925332018552.

The previous prime is 1002443020099. The next prime is 1002443020219. The reversal of 1002443020111 is 1110203442001.

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 1002443020111 - 2⁷ = 1002443019983 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1002443029111) 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, 38555500761 + ... + 38555500786.

It is an arithmetic number, because the mean of its divisors is an integer number (269888505418).

Almost surely, 2^{1002443020111} is an apocalyptic number.

1002443020111 is a deficient number, since it is larger than the sum of its proper divisors (77111001561).

1002443020111 is an equidigital number, since it uses as much as digits as its factorization.

1002443020111 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 77111001560.

The product of its (nonzero) digits is 192, while the sum is 19.

Adding to 1002443020111 its reverse (1110203442001), we get a palindrome (2112646462112).

The spelling of 1002443020111 in words is "one trillion, two billion, four hundred forty-three million, twenty thousand, one hundred eleven".