221122001071 has 2 divisors, whose sum is σ = 221122001072. Its totient is φ = 221122001070.

The previous prime is 221122001053. The next prime is 221122001101. The reversal of 221122001071 is 170100221122.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 221122001071 - 2³⁵ = 186762262703 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (221122001021) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 110561000535 + 110561000536.

It is an arithmetic number, because the mean of its divisors is an integer number (110561000536).

Almost surely, 2^221122001071 is an apocalyptic number.

221122001071 is a deficient number, since it is larger than the sum of its proper divisors (1).

221122001071 is an equidigital number, since it uses as much as digits as its factorization.

221122001071 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 112, while the sum is 19.

Adding to 221122001071 its reverse (170100221122), we get a palindrome (391222222193).

The spelling of 221122001071 in words is "two hundred twenty-one billion, one hundred twenty-two million, one thousand, seventy-one".