71001222002 has 16 divisors (see below), whose sum is σ = 112048076952. Its totient is φ = 33698666880.

The previous prime is 71001222001. The next prime is 71001222023. The reversal of 71001222002 is 20022210017.

It can be written as a sum of positive squares in 4 ways, for example, as 54442422241 + 16558799761 = 233329^2 + 128681^2 .

It is not an unprimeable number, because it can be changed into a prime (71001222001) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 11697893 + ... + 11703960.

Almost surely, 2^71001222002 is an apocalyptic number.

71001222002 is a deficient number, since it is larger than the sum of its proper divisors (41046854950).

71001222002 is a wasteful number, since it uses less digits than its factorization.

71001222002 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 23401933.

The product of its (nonzero) digits is 112, while the sum is 17.

Adding to 71001222002 its reverse (20022210017), we get a palindrome (91023432019).

The spelling of 71001222002 in words is "seventy-one billion, one million, two hundred twenty-two thousand, two".