101443221 has 24 divisors (see below), whose sum is σ = 160801056. Its totient is φ = 61115040.

The previous prime is 101443211. The next prime is 101443231. The reversal of 101443221 is 122344101.

101443221 is a `hidden beast` number, since 1 + 0 + 1 + 443 + 221 = 666.

It is an interprime number because it is at equal distance from previous prime (101443211) and next prime (101443231).

It is not a de Polignac number, because 101443221 - 2⁷ = 101443093 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 101443194 and 101443203.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (101443201) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 14166 + ... + 20088.

It is an arithmetic number, because the mean of its divisors is an integer number (6700044).

Almost surely, 2^101443221 is an apocalyptic number.

101443221 is a gapful number since it is divisible by the number (11) formed by its first and last digit.

It is an amenable number.

101443221 is a deficient number, since it is larger than the sum of its proper divisors (59357835).

101443221 is a wasteful number, since it uses less digits than its factorization.

101443221 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6113 (or 6110 counting only the distinct ones).

The product of its (nonzero) digits is 192, while the sum is 18.

The square root of 101443221 is about 10071.9025511569. The cubic root of 101443221 is about 466.3811727138.

Adding to 101443221 its reverse (122344101), we get a palindrome (223787322).

The spelling of 101443221 in words is "one hundred one million, four hundred forty-three thousand, two hundred twenty-one".