71122222002 has 32 divisors (see below), whose sum is σ = 156445615872. Its totient is φ = 21418147584.

The previous prime is 71122221943. The next prime is 71122222019. The reversal of 71122222002 is 20022222117.

It is a self number, because there is not a number n which added to its sum of digits gives 71122222002.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 9696583 + ... + 9703914.

It is an arithmetic number, because the mean of its divisors is an integer number (4888925496).

Almost surely, 2^71122222002 is an apocalyptic number.

71122222002 is an abundant number, since it is smaller than the sum of its proper divisors (85323393870).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

71122222002 is a wasteful number, since it uses less digits than its factorization.

71122222002 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 19400562.

The product of its (nonzero) digits is 448, while the sum is 21.

Adding to 71122222002 its reverse (20022222117), we get a palindrome (91144444119).

The spelling of 71122222002 in words is "seventy-one billion, one hundred twenty-two million, two hundred twenty-two thousand, two".