107155221 has 8 divisors (see below), whose sum is σ = 144346944. Its totient is φ = 70700160.

The previous prime is 107155211. The next prime is 107155273. The reversal of 107155221 is 122551701.

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

It is not a de Polignac number, because 107155221 - 2⁶ = 107155157 is a prime.

It is a super-2 number, since 2×107155221² = 22964482775117682, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 107155191 and 107155200.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (107155211) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 183825 + ... + 184406.

It is an arithmetic number, because the mean of its divisors is an integer number (18043368).

Almost surely, 2^107155221 is an apocalyptic number.

It is an amenable number.

107155221 is a deficient number, since it is larger than the sum of its proper divisors (37191723).

107155221 is an equidigital number, since it uses as much as digits as its factorization.

107155221 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 368331.

The product of its (nonzero) digits is 700, while the sum is 24.

The square root of 107155221 is about 10351.5806039464. The cubic root of 107155221 is about 474.9753944780.

The spelling of 107155221 in words is "one hundred seven million, one hundred fifty-five thousand, two hundred twenty-one".