107888223221 has 4 divisors (see below), whose sum is σ = 110397251712. Its totient is φ = 105379194732.

The previous prime is 107888223197. The next prime is 107888223229. The reversal of 107888223221 is 122322888701.

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, and also an emirpimes, since its reverse is a distinct semiprime: 122322888701 = 13 ⋅9409452977.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-107888223221 is a prime.

It is a super-2 number, since 2×107888223221² (a number of 23 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (107888223229) 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, 1254514181 + ... + 1254514266.

It is an arithmetic number, because the mean of its divisors is an integer number (27599312928).

Almost surely, 2^107888223221 is an apocalyptic number.

It is an amenable number.

107888223221 is a deficient number, since it is larger than the sum of its proper divisors (2509028491).

107888223221 is an equidigital number, since it uses as much as digits as its factorization.

107888223221 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2509028490.

The product of its (nonzero) digits is 172032, while the sum is 44.

The spelling of 107888223221 in words is "one hundred seven billion, eight hundred eighty-eight million, two hundred twenty-three thousand, two hundred twenty-one".