2071223506881 has 6 divisors (see below), whose sum is σ = 2991767287730. Its totient is φ = 1380815671248.

The previous prime is 2071223506843. The next prime is 2071223506883. The reversal of 2071223506881 is 1886053221702.

2071223506881 is a `hidden beast` number, since 207 + 12 + 2 + 350 + 6 + 8 + 81 = 666.

It can be written as a sum of positive squares in only one way, i.e., 1696415076225 + 374808430656 = 1302465^2 + 612216^2 .

It is not a de Polignac number, because 2071223506881 - 2⁶ = 2071223506817 is a prime.

It is a super-2 number, since 2×2071223506881² (a number of 25 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (2071223506883) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 115067972596 + ... + 115067972613.

Almost surely, 2^{2071223506881} is an apocalyptic number.

It is an amenable number.

2071223506881 is a deficient number, since it is larger than the sum of its proper divisors (920543780849).

2071223506881 is a wasteful number, since it uses less digits than its factorization.

2071223506881 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 230135945215 (or 230135945212 counting only the distinct ones).

The product of its (nonzero) digits is 322560, while the sum is 45.

The spelling of 2071223506881 in words is "two trillion, seventy-one billion, two hundred twenty-three million, five hundred six thousand, eight hundred eighty-one".