222211021019971 has 2 divisors, whose sum is σ = 222211021019972. Its totient is φ = 222211021019970.

The previous prime is 222211021019969. The next prime is 222211021020011. The reversal of 222211021019971 is 179910120112222.

It is a happy number.

It is an a-pointer prime, because the next prime (222211021020011) can be obtained adding 222211021019971 to its sum of digits (40).

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 222211021019971 - 2¹ = 222211021019969 is a prime.

Together with 222211021019969, it forms a pair of twin primes.

It is not a weakly prime, because it can be changed into another prime (222211721019971) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 111105510509985 + 111105510509986.

It is an arithmetic number, because the mean of its divisors is an integer number (111105510509986).

Almost surely, 2^{222211021019971} is an apocalyptic number.

222211021019971 is a deficient number, since it is larger than the sum of its proper divisors (1).

222211021019971 is an equidigital number, since it uses as much as digits as its factorization.

222211021019971 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 18144, while the sum is 40.

The spelling of 222211021019971 in words is "two hundred twenty-two trillion, two hundred eleven billion, twenty-one million, nineteen thousand, nine hundred seventy-one".