71211022022122 has 16 divisors (see below), whose sum is σ = 107764895710080. Its totient is φ = 35289408151872.

The previous prime is 71211022022113. The next prime is 71211022022123. The reversal of 71211022022122 is 22122022011217.

It is a super-3 number, since 3×71211022022122³ (a number of 43 digits) contains 333 as substring.

It is not an unprimeable number, because it can be changed into a prime (71211022022123) 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, 3438079 + ... + 12419437.

It is an arithmetic number, because the mean of its divisors is an integer number (6735305981880).

Almost surely, 2^{71211022022122} is an apocalyptic number.

71211022022122 is a deficient number, since it is larger than the sum of its proper divisors (36553873687958).

71211022022122 is a wasteful number, since it uses less digits than its factorization.

71211022022122 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9016557.

The product of its (nonzero) digits is 896, while the sum is 25.

Adding to 71211022022122 its reverse (22122022011217), we get a palindrome (93333044033339).

The spelling of 71211022022122 in words is "seventy-one trillion, two hundred eleven billion, twenty-two million, twenty-two thousand, one hundred twenty-two".