101220233 has 2 divisors, whose sum is σ = 101220234. Its totient is φ = 101220232.

The previous prime is 101220169. The next prime is 101220253. The reversal of 101220233 is 332022101.

It is a happy number.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 100741369 + 478864 = 10037^2 + 692^2 .

It is an emirp because it is prime and its reverse (332022101) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 101220233 - 2⁶ = 101220169 is a prime.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (101220253) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 50610116 + 50610117.

It is an arithmetic number, because the mean of its divisors is an integer number (50610117).

Almost surely, 2^101220233 is an apocalyptic number.

It is an amenable number.

101220233 is a deficient number, since it is larger than the sum of its proper divisors (1).

101220233 is an equidigital number, since it uses as much as digits as its factorization.

101220233 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 72, while the sum is 14.

The square root of 101220233 is about 10060.8266558966. The cubic root of 101220233 is about 466.0391958656.

Adding to 101220233 its reverse (332022101), we get a palindrome (433242334).

The spelling of 101220233 in words is "one hundred one million, two hundred twenty thousand, two hundred thirty-three".