222210121001971 has 2 divisors, whose sum is σ = 222210121001972. Its totient is φ = 222210121001970.

The previous prime is 222210121001941. The next prime is 222210121002011. The reversal of 222210121001971 is 179100121012222.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 222210121001971 - 2⁹ = 222210121001459 is a prime.

It is not a weakly prime, because it can be changed into another prime (222210121001941) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 111105060500985 + 111105060500986.

It is an arithmetic number, because the mean of its divisors is an integer number (111105060500986).

Almost surely, 2^{222210121001971} is an apocalyptic number.

222210121001971 is a deficient number, since it is larger than the sum of its proper divisors (1).

222210121001971 is an equidigital number, since it uses as much as digits as its factorization.

222210121001971 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 2016, while the sum is 31.

The spelling of 222210121001971 in words is "two hundred twenty-two trillion, two hundred ten billion, one hundred twenty-one million, one thousand, nine hundred seventy-one".