107612221 has 4 divisors (see below), whose sum is σ = 107640352. Its totient is φ = 107584092.

The previous prime is 107612201. The next prime is 107612291. The reversal of 107612221 is 122216701.

It is a happy number.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 107612221 - 2²³ = 99223613 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 107612192 and 107612201.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (107612201) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 7215 + ... + 16348.

It is an arithmetic number, because the mean of its divisors is an integer number (26910088).

Almost surely, 2^107612221 is an apocalyptic number.

It is an amenable number.

107612221 is a deficient number, since it is larger than the sum of its proper divisors (28131).

107612221 is an equidigital number, since it uses as much as digits as its factorization.

107612221 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 28130.

The product of its (nonzero) digits is 336, while the sum is 22.

The square root of 107612221 is about 10373.6310422147. The cubic root of 107612221 is about 475.6496683693.

Adding to 107612221 its reverse (122216701), we get a palindrome (229828922).

The spelling of 107612221 in words is "one hundred seven million, six hundred twelve thousand, two hundred twenty-one".