6171221071022 has 16 divisors (see below), whose sum is σ = 10713150504960. Its totient is φ = 2611330434648.

The previous prime is 6171221070997. The next prime is 6171221071027. The reversal of 6171221071022 is 2201701221716.

It is a self number, because there is not a number n which added to its sum of digits gives 6171221071022.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (6171221071027) 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, 2789881838 + ... + 2789884049.

It is an arithmetic number, because the mean of its divisors is an integer number (669571906560).

Almost surely, 2^{6171221071022} is an apocalyptic number.

6171221071022 is a deficient number, since it is larger than the sum of its proper divisors (4541929433938).

6171221071022 is a wasteful number, since it uses less digits than its factorization.

6171221071022 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5579765975.

The product of its (nonzero) digits is 4704, while the sum is 32.

Adding to 6171221071022 its reverse (2201701221716), we get a palindrome (8372922292738).

The spelling of 6171221071022 in words is "six trillion, one hundred seventy-one billion, two hundred twenty-one million, seventy-one thousand, twenty-two".