71001121222 has 8 divisors (see below), whose sum is σ = 107535679056. Its totient is φ = 35155894872.

The previous prime is 71001121211. The next prime is 71001121271. The reversal of 71001121222 is 22212110017.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a super-2 number, since 2×71001121222² (a number of 23 digits) contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 71001121222.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 172332613 + ... + 172333024.

It is an arithmetic number, because the mean of its divisors is an integer number (13441959882).

Almost surely, 2^71001121222 is an apocalyptic number.

71001121222 is a deficient number, since it is larger than the sum of its proper divisors (36534557834).

71001121222 is a wasteful number, since it uses less digits than its factorization.

71001121222 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 344665742.

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

Adding to 71001121222 its reverse (22212110017), we get a palindrome (93213231239).

The spelling of 71001121222 in words is "seventy-one billion, one million, one hundred twenty-one thousand, two hundred twenty-two".