10221607185 has 32 divisors (see below), whose sum is σ = 16745824128. Its totient is φ = 5321272320.

The previous prime is 10221607181. The next prime is 10221607199. The reversal of 10221607185 is 58170612201.

It is not a de Polignac number, because 10221607185 - 2² = 10221607181 is a prime.

It is not an unprimeable number, because it can be changed into a prime (10221607181) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 1203855 + ... + 1212315.

It is an arithmetic number, because the mean of its divisors is an integer number (523307004).

Almost surely, 2^10221607185 is an apocalyptic number.

10221607185 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

It is an amenable number.

10221607185 is a deficient number, since it is larger than the sum of its proper divisors (6524216943).

10221607185 is a wasteful number, since it uses less digits than its factorization.

10221607185 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10385.

The product of its (nonzero) digits is 6720, while the sum is 33.

The spelling of 10221607185 in words is "ten billion, two hundred twenty-one million, six hundred seven thousand, one hundred eighty-five".