103221101 has 4 divisors (see below), whose sum is σ = 103740000. Its totient is φ = 102702204.

The previous prime is 103221073. The next prime is 103221109. The reversal of 103221101 is 101122301.

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 103221101 - 2¹⁸ = 102958957 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (103221109) 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, 259151 + ... + 259548.

It is an arithmetic number, because the mean of its divisors is an integer number (25935000).

Almost surely, 2^103221101 is an apocalyptic number.

It is an amenable number.

103221101 is a deficient number, since it is larger than the sum of its proper divisors (518899).

103221101 is an equidigital number, since it uses as much as digits as its factorization.

103221101 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 518898.

The product of its (nonzero) digits is 12, while the sum is 11.

The square root of 103221101 is about 10159.7785901072. The cubic root of 103221101 is about 469.0899865673.

Adding to 103221101 its reverse (101122301), we get a palindrome (204343402).

The spelling of 103221101 in words is "one hundred three million, two hundred twenty-one thousand, one hundred one".