101560221 has 24 divisors (see below), whose sum is σ = 168430080. Its totient is φ = 57766176.

The previous prime is 101560213. The next prime is 101560229. The reversal of 101560221 is 122065101.

101560221 is a `hidden beast` number, since 101 + 560 + 2 + 2 + 1 = 666.

It is an interprime number because it is at equal distance from previous prime (101560213) and next prime (101560229).

It is not a de Polignac number, because 101560221 - 2³ = 101560213 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 101560194 and 101560203.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (101560229) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 10435 + ... + 17663.

It is an arithmetic number, because the mean of its divisors is an integer number (7017920).

Almost surely, 2^101560221 is an apocalyptic number.

It is an amenable number.

101560221 is a deficient number, since it is larger than the sum of its proper divisors (66869859).

101560221 is a wasteful number, since it uses less digits than its factorization.

101560221 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7465 (or 7462 counting only the distinct ones).

The product of its (nonzero) digits is 120, while the sum is 18.

The square root of 101560221 is about 10077.7091146748. The cubic root of 101560221 is about 466.5604047738.

The spelling of 101560221 in words is "one hundred one million, five hundred sixty thousand, two hundred twenty-one".