101103221 has 2 divisors, whose sum is σ = 101103222. Its totient is φ = 101103220.

The previous prime is 101103217. The next prime is 101103229. The reversal of 101103221 is 122301101.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 101103025 + 196 = 10055^2 + 14^2 .

It is a cyclic number.

It is not a de Polignac number, because 101103221 - 2² = 101103217 is a prime.

It is a super-2 number, since 2×101103221² = 20443722593149682, which contains 22 as substring.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (101103229) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 50551610 + 50551611.

It is an arithmetic number, because the mean of its divisors is an integer number (50551611).

Almost surely, 2^101103221 is an apocalyptic number.

It is an amenable number.

101103221 is a deficient number, since it is larger than the sum of its proper divisors (1).

101103221 is an equidigital number, since it uses as much as digits as its factorization.

101103221 is an evil number, because the sum of its binary digits is even.

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

The square root of 101103221 is about 10055.0097463901. The cubic root of 101103221 is about 465.8595440193.

Adding to 101103221 its reverse (122301101), we get a palindrome (223404322).

It can be divided in two parts, 10110 and 3221, that added together give a palindrome (13331).

The spelling of 101103221 in words is "one hundred one million, one hundred three thousand, two hundred twenty-one".