12112202111001 has 32 divisors (see below), whose sum is σ = 16890591432960. Its totient is φ = 7705939236864.

The previous prime is 12112202110973. The next prime is 12112202111033. The reversal of 12112202111001 is 10011120221121.

It is a happy number.

It is not a de Polignac number, because 12112202111001 - 2²⁵ = 12112168556569 is a prime.

It is not an unprimeable number, because it can be changed into a prime (12112202112001) 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, 76517905 + ... + 76676033.

It is an arithmetic number, because the mean of its divisors is an integer number (527830982280).

Almost surely, 2^{12112202111001} is an apocalyptic number.

It is an amenable number.

12112202111001 is a deficient number, since it is larger than the sum of its proper divisors (4778389321959).

12112202111001 is a wasteful number, since it uses less digits than its factorization.

12112202111001 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 160705.

The product of its (nonzero) digits is 16, while the sum is 15.

Adding to 12112202111001 its reverse (10011120221121), we get a palindrome (22123322332122).

The spelling of 12112202111001 in words is "twelve trillion, one hundred twelve billion, two hundred two million, one hundred eleven thousand, one".