222111331200001 has 2 divisors, whose sum is σ = 222111331200002. Its totient is φ = 222111331200000.

The previous prime is 222111331199999. The next prime is 222111331200013. The reversal of 222111331200001 is 100002133111222.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 222101346394225 + 9984805776 = 14903065^2 + 99924^2 .

It is a cyclic number.

It is not a de Polignac number, because 222111331200001 - 2¹ = 222111331199999 is a prime.

Together with 222111331199999, it forms a pair of twin primes.

It is not a weakly prime, because it can be changed into another prime (222111331207001) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 111055665600000 + 111055665600001.

It is an arithmetic number, because the mean of its divisors is an integer number (111055665600001).

Almost surely, 2^{222111331200001} is an apocalyptic number.

It is an amenable number.

222111331200001 is a deficient number, since it is larger than the sum of its proper divisors (1).

222111331200001 is an equidigital number, since it uses as much as digits as its factorization.

222111331200001 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 144, while the sum is 19.

Adding to 222111331200001 its reverse (100002133111222), we get a palindrome (322113464311223).

The spelling of 222111331200001 in words is "two hundred twenty-two trillion, one hundred eleven billion, three hundred thirty-one million, two hundred thousand, one".