10721566122 has 8 divisors (see below), whose sum is σ = 21443132256. Its totient is φ = 3573855372.

The previous prime is 10721566117. The next prime is 10721566123. The reversal of 10721566122 is 22166512701.

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

10721566122 is an admirable number.

It is a super-2 number, since 2×10721566122² (a number of 21 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (10721566123) 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 3 ways as a sum of consecutive naturals, for example, 893463838 + ... + 893463849.

It is an arithmetic number, because the mean of its divisors is an integer number (2680391532).

Almost surely, 2^10721566122 is an apocalyptic number.

10721566122 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

10721566122 is a wasteful number, since it uses less digits than its factorization.

10721566122 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1786927692.

The product of its (nonzero) digits is 10080, while the sum is 33.

The spelling of 10721566122 in words is "ten billion, seven hundred twenty-one million, five hundred sixty-six thousand, one hundred twenty-two".