12021110222011 has 4 divisors (see below), whose sum is σ = 13113938424024. Its totient is φ = 10928282020000.

The previous prime is 12021110221969. The next prime is 12021110222027. The reversal of 12021110222011 is 11022201112021.

12021110222011 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 is a cyclic number.

It is not a de Polignac number, because 12021110222011 - 2⁹ = 12021110221499 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (12021110222041) 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, 546414100990 + ... + 546414101011.

It is an arithmetic number, because the mean of its divisors is an integer number (3278484606006).

Almost surely, 2^{12021110222011} is an apocalyptic number.

12021110222011 is a gapful number since it is divisible by the number (11) formed by its first and last digit.

12021110222011 is a deficient number, since it is larger than the sum of its proper divisors (1092828202013).

12021110222011 is a wasteful number, since it uses less digits than its factorization.

12021110222011 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1092828202012.

The product of its (nonzero) digits is 32, while the sum is 16.

Adding to 12021110222011 its reverse (11022201112021), we get a palindrome (23043311334032).

It can be divided in two parts, 12021 and 110222011, that multiplied together give a palindrome (1324978794231).

The spelling of 12021110222011 in words is "twelve trillion, twenty-one billion, one hundred ten million, two hundred twenty-two thousand, eleven".