12011102111002 has 4 divisors (see below), whose sum is σ = 18016653166506. Its totient is φ = 6005551055500.

The previous prime is 12011102110993. The next prime is 12011102111009. The reversal of 12011102111002 is 20011120111021.

It is a happy number.

12011102111002 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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

It can be written as a sum of positive squares in only one way, i.e., 9039998342281 + 2971103768721 = 3006659^2 + 1723689^2 .

It is not an unprimeable number, because it can be changed into a prime (12011102111009) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 3002775527749 + ... + 3002775527752.

Almost surely, 2^{12011102111002} is an apocalyptic number.

12011102111002 is a deficient number, since it is larger than the sum of its proper divisors (6005551055504).

12011102111002 is an equidigital number, since it uses as much as digits as its factorization.

12011102111002 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6005551055503.

The product of its (nonzero) digits is 8, while the sum is 13.

Adding to 12011102111002 its reverse (20011120111021), we get a palindrome (32022222222023).

The spelling of 12011102111002 in words is "twelve trillion, eleven billion, one hundred two million, one hundred eleven thousand, two".