222122012002001 has 2 divisors, whose sum is σ = 222122012002002. Its totient is φ = 222122012002000.

The previous prime is 222122012001997. The next prime is 222122012002013. The reversal of 222122012002001 is 100200210221222.

It is a happy number.

222122012002001 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 136791714248401 + 85330297753600 = 11695799^2 + 9237440^2 .

It is a cyclic number.

It is not a de Polignac number, because 222122012002001 - 2² = 222122012001997 is a prime.

It is not a weakly prime, because it can be changed into another prime (222122012002021) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 111061006001000 + 111061006001001.

It is an arithmetic number, because the mean of its divisors is an integer number (111061006001001).

Almost surely, 2^{222122012002001} is an apocalyptic number.

It is an amenable number.

222122012002001 is a deficient number, since it is larger than the sum of its proper divisors (1).

222122012002001 is an equidigital number, since it uses as much as digits as its factorization.

222122012002001 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 128, while the sum is 17.

Adding to 222122012002001 its reverse (100200210221222), we get a palindrome (322322222223223).

The spelling of 222122012002001 in words is "two hundred twenty-two trillion, one hundred twenty-two billion, twelve million, two thousand, one".