71122020213 has 8 divisors (see below), whose sum is σ = 95004647776. Its totient is φ = 47327036400.

The previous prime is 71122020187. The next prime is 71122020239. The reversal of 71122020213 is 31202022117.

It is an interprime number because it is at equal distance from previous prime (71122020187) and next prime (71122020239).

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

It is not a de Polignac number, because 71122020213 - 2⁶ = 71122020149 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 71122020213.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (71122028213) 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, 21909043 + ... + 21912288.

It is an arithmetic number, because the mean of its divisors is an integer number (11875580972).

Almost surely, 2^71122020213 is an apocalyptic number.

It is an amenable number.

71122020213 is a deficient number, since it is larger than the sum of its proper divisors (23882627563).

71122020213 is a wasteful number, since it uses less digits than its factorization.

71122020213 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 43821875.

The product of its (nonzero) digits is 336, while the sum is 21.

The spelling of 71122020213 in words is "seventy-one billion, one hundred twenty-two million, twenty thousand, two hundred thirteen".