103221100222221 has 32 divisors (see below), whose sum is σ = 139878985818880. Its totient is φ = 67693686073344.

The previous prime is 103221100222211. The next prime is 103221100222237. The reversal of 103221100222221 is 122222001122301.

It is not a de Polignac number, because 103221100222221 - 2²¹ = 103221098125069 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 (103221100222211) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 283722585 + ... + 284086161.

It is an arithmetic number, because the mean of its divisors is an integer number (4371218306840).

Almost surely, 2^{103221100222221} is an apocalyptic number.

It is an amenable number.

103221100222221 is a deficient number, since it is larger than the sum of its proper divisors (36657885596659).

103221100222221 is a wasteful number, since it uses less digits than its factorization.

103221100222221 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 367045.

The product of its (nonzero) digits is 384, while the sum is 21.

Adding to 103221100222221 its reverse (122222001122301), we get a palindrome (225443101344522).

The spelling of 103221100222221 in words is "one hundred three trillion, two hundred twenty-one billion, one hundred million, two hundred twenty-two thousand, two hundred twenty-one".