12021102001211 has 4 divisors (see below), whose sum is σ = 12024797393952. Its totient is φ = 12017406608472.

The previous prime is 12021102001163. The next prime is 12021102001213. The reversal of 12021102001211 is 11210020112021.

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

It is a cyclic number.

It is not a de Polignac number, because 12021102001211 - 2⁴² = 7623055490107 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (12021102001213) 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, 1847691491 + ... + 1847697996.

It is an arithmetic number, because the mean of its divisors is an integer number (3006199348488).

Almost surely, 2^{12021102001211} is an apocalyptic number.

12021102001211 is a deficient number, since it is larger than the sum of its proper divisors (3695392741).

12021102001211 is an equidigital number, since it uses as much as digits as its factorization.

12021102001211 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3695392740.

The product of its (nonzero) digits is 16, while the sum is 14.

Adding to 12021102001211 its reverse (11210020112021), we get a palindrome (23231122113232).

The spelling of 12021102001211 in words is "twelve trillion, twenty-one billion, one hundred two million, one thousand, two hundred eleven".