1002010311111 has 4 divisors (see below), whose sum is σ = 1336013748152. Its totient is φ = 668006874072.

The previous prime is 1002010311103. The next prime is 1002010311173. The reversal of 1002010311111 is 1111130102001.

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

It is not a de Polignac number, because 1002010311111 - 2³ = 1002010311103 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 (1002010311101) 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, 167001718516 + ... + 167001718521.

It is an arithmetic number, because the mean of its divisors is an integer number (334003437038).

Almost surely, 2^{1002010311111} is an apocalyptic number.

1002010311111 is a deficient number, since it is larger than the sum of its proper divisors (334003437041).

1002010311111 is an equidigital number, since it uses as much as digits as its factorization.

1002010311111 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 334003437040.

The product of its (nonzero) digits is 6, while the sum is 12.

Adding to 1002010311111 its reverse (1111130102001), we get a palindrome (2113140413112).

The spelling of 1002010311111 in words is "one trillion, two billion, ten million, three hundred eleven thousand, one hundred eleven".