2211216525471 has 8 divisors (see below), whose sum is σ = 2948297104944. Its totient is φ = 1474140148160.

The previous prime is 2211216525467. The next prime is 2211216525473. The reversal of 2211216525471 is 1745256121122.

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

It is a cyclic number.

It is not a de Polignac number, because 2211216525471 - 2² = 2211216525467 is a prime.

It is a super-3 number, since 3×2211216525471³ (a number of 38 digits) contains 333 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2211216525473) by changing a digit.

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 7 ways as a sum of consecutive naturals, for example, 507301 + ... + 2163281.

It is an arithmetic number, because the mean of its divisors is an integer number (368537138118).

Almost surely, 2^{2211216525471} is an apocalyptic number.

2211216525471 is a deficient number, since it is larger than the sum of its proper divisors (737080579473).

2211216525471 is a wasteful number, since it uses less digits than its factorization.

2211216525471 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2101081.

The product of its digits is 67200, while the sum is 39.

The spelling of 2211216525471 in words is "two trillion, two hundred eleven billion, two hundred sixteen million, five hundred twenty-five thousand, four hundred seventy-one".