10002111201111 has 4 divisors (see below), whose sum is σ = 13336148268152. Its totient is φ = 6668074134072.

The previous prime is 10002111201107. The next prime is 10002111201119. The reversal of 10002111201111 is 11110211120001.

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

It is not a de Polignac number, because 10002111201111 - 2² = 10002111201107 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 (10002111201119) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1667018533516 + ... + 1667018533521.

It is an arithmetic number, because the mean of its divisors is an integer number (3334037067038).

Almost surely, 2^{10002111201111} is an apocalyptic number.

10002111201111 is a deficient number, since it is larger than the sum of its proper divisors (3334037067041).

10002111201111 is an equidigital number, since it uses as much as digits as its factorization.

10002111201111 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3334037067040.

The product of its (nonzero) digits is 4, while the sum is 12.

Adding to 10002111201111 its reverse (11110211120001), we get a palindrome (21112322321112).

The spelling of 10002111201111 in words is "ten trillion, two billion, one hundred eleven million, two hundred one thousand, one hundred eleven".