10221772516 has 12 divisors (see below), whose sum is σ = 18665845632. Its totient is φ = 4888673768.

The previous prime is 10221772499. The next prime is 10221772531. The reversal of 10221772516 is 61527712201.

10221772516 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a super-3 number, since 3×10221772516³ (a number of 31 digits) contains 333 as substring.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 55553020 + ... + 55553203.

It is an arithmetic number, because the mean of its divisors is an integer number (1555487136).

Almost surely, 2^10221772516 is an apocalyptic number.

It is an amenable number.

10221772516 is a deficient number, since it is larger than the sum of its proper divisors (8444073116).

10221772516 is a wasteful number, since it uses less digits than its factorization.

10221772516 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 111106250 (or 111106248 counting only the distinct ones).

The product of its (nonzero) digits is 11760, while the sum is 34.

The spelling of 10221772516 in words is "ten billion, two hundred twenty-one million, seven hundred seventy-two thousand, five hundred sixteen".