12201001222111 has 8 divisors (see below), whose sum is σ = 13212133922624. Its totient is φ = 11200239113760.

The previous prime is 12201001222061. The next prime is 12201001222153. The reversal of 12201001222111 is 11122210010221.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 12201001222111 - 2²³ = 12200992833503 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12201001222211) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2592645591 + ... + 2592650296.

It is an arithmetic number, because the mean of its divisors is an integer number (1651516740328).

Almost surely, 2^{12201001222111} is an apocalyptic number.

12201001222111 is a deficient number, since it is larger than the sum of its proper divisors (1011132700513).

12201001222111 is a wasteful number, since it uses less digits than its factorization.

12201001222111 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5185296081.

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

Adding to 12201001222111 its reverse (11122210010221), we get a palindrome (23323211232332).

The spelling of 12201001222111 in words is "twelve trillion, two hundred one billion, one million, two hundred twenty-two thousand, one hundred eleven".