102880221 has 16 divisors (see below), whose sum is σ = 140318400. Its totient is φ = 67029120.

The previous prime is 102880213. The next prime is 102880223. The reversal of 102880221 is 122088201.

It is not a de Polignac number, because 102880221 - 2³ = 102880213 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 102880191 and 102880200.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (102880223) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 28105 + ... + 31553.

It is an arithmetic number, because the mean of its divisors is an integer number (8769900).

Almost surely, 2^102880221 is an apocalyptic number.

It is an amenable number.

102880221 is a deficient number, since it is larger than the sum of its proper divisors (37438179).

102880221 is a wasteful number, since it uses less digits than its factorization.

102880221 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3676.

The product of its (nonzero) digits is 512, while the sum is 24.

The square root of 102880221 is about 10142.9887607155. The cubic root of 102880221 is about 468.5730388381.

The spelling of 102880221 in words is "one hundred two million, eight hundred eighty thousand, two hundred twenty-one".