10220221001971 has 2 divisors, whose sum is σ = 10220221001972. Its totient is φ = 10220221001970.

The previous prime is 10220221001953. The next prime is 10220221001983. The reversal of 10220221001971 is 17910012202201.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 10220221001971 - 2¹⁹ = 10220220477683 is a prime.

It is a super-2 number, since 2×10220221001971² (a number of 27 digits) contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (10220221001171) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5110110500985 + 5110110500986.

It is an arithmetic number, because the mean of its divisors is an integer number (5110110500986).

Almost surely, 2^{10220221001971} is an apocalyptic number.

10220221001971 is a deficient number, since it is larger than the sum of its proper divisors (1).

10220221001971 is an equidigital number, since it uses as much as digits as its factorization.

10220221001971 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 1008, while the sum is 28.

The spelling of 10220221001971 in words is "ten trillion, two hundred twenty billion, two hundred twenty-one million, one thousand, nine hundred seventy-one".