1002002110011 has 24 divisors (see below), whose sum is σ = 1654198201344. Its totient is φ = 572538198960.

The previous prime is 1002002110001. The next prime is 1002002110061. The reversal of 1002002110011 is 1100112002001.

It is a happy number.

It is not a de Polignac number, because 1002002110011 - 2¹¹ = 1002002107963 is a prime.

It is a super-2 number, since 2×1002002110011² (a number of 25 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (9).

It is a junction number, because it is equal to n+sod(n) for n = 1002002109975 and 1002002110002.

It is not an unprimeable number, because it can be changed into a prime (1002002110001) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 596596 + ... + 1536206.

It is an arithmetic number, because the mean of its divisors is an integer number (68924925056).

Almost surely, 2^{1002002110011} is an apocalyptic number.

1002002110011 is a deficient number, since it is larger than the sum of its proper divisors (652196091333).

1002002110011 is a wasteful number, since it uses less digits than its factorization.

1002002110011 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 956551 (or 956548 counting only the distinct ones).

The product of its (nonzero) digits is 4, while the sum is 9.

Adding to 1002002110011 its reverse (1100112002001), we get a palindrome (2102114112012).

The spelling of 1002002110011 in words is "one trillion, two billion, two million, one hundred ten thousand, eleven".