102044221 has 8 divisors (see below), whose sum is σ = 103642880. Its totient is φ = 100453392.

The previous prime is 102044197. The next prime is 102044249. The reversal of 102044221 is 122440201.

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

It is a cyclic number.

It is not a de Polignac number, because 102044221 - 2⁷ = 102044093 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 102044195 and 102044204.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (102044021) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 27736 + ... + 31198.

It is an arithmetic number, because the mean of its divisors is an integer number (12955360).

Almost surely, 2^102044221 is an apocalyptic number.

It is an amenable number.

102044221 is a deficient number, since it is larger than the sum of its proper divisors (1598659).

102044221 is an equidigital number, since it uses as much as digits as its factorization.

102044221 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3915.

The product of its (nonzero) digits is 128, while the sum is 16.

The square root of 102044221 is about 10101.6939668553. The cubic root of 102044221 is about 467.3003843379.

Adding to 102044221 its reverse (122440201), we get a palindrome (224484422).

The spelling of 102044221 in words is "one hundred two million, forty-four thousand, two hundred twenty-one".