12112022210021 has 32 divisors (see below), whose sum is σ = 12821611392000. Its totient is φ = 11441576095488.

The previous prime is 12112022210009. The next prime is 12112022210039. The reversal of 12112022210021 is 12001222021121.

It is not a de Polignac number, because 12112022210021 - 2⁶ = 12112022209957 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 (12112022210921) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 5048778380 + ... + 5048780778.

It is an arithmetic number, because the mean of its divisors is an integer number (400675356000).

Almost surely, 2^{12112022210021} is an apocalyptic number.

It is an amenable number.

12112022210021 is a deficient number, since it is larger than the sum of its proper divisors (709589181979).

12112022210021 is an equidigital number, since it uses as much as digits as its factorization.

12112022210021 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4266 (or 4228 counting only the distinct ones).

The product of its (nonzero) digits is 64, while the sum is 17.

Adding to 12112022210021 its reverse (12001222021121), we get a palindrome (24113244231142).

The spelling of 12112022210021 in words is "twelve trillion, one hundred twelve billion, twenty-two million, two hundred ten thousand, twenty-one".