12002111010111 has 4 divisors (see below), whose sum is σ = 16002814680152. Its totient is φ = 8001407340072.

The previous prime is 12002111010067. The next prime is 12002111010163. The reversal of 12002111010111 is 11101011120021.

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

It is not a de Polignac number, because 12002111010111 - 2¹³ = 12002111001919 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 (12002111010511) 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, 2000351835016 + ... + 2000351835021.

It is an arithmetic number, because the mean of its divisors is an integer number (4000703670038).

Almost surely, 2^{12002111010111} is an apocalyptic number.

12002111010111 is a deficient number, since it is larger than the sum of its proper divisors (4000703670041).

12002111010111 is an equidigital number, since it uses as much as digits as its factorization.

12002111010111 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4000703670040.

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

Adding to 12002111010111 its reverse (11101011120021), we get a palindrome (23103122130132).

The spelling of 12002111010111 in words is "twelve trillion, two billion, one hundred eleven million, ten thousand, one hundred eleven".