101220230233 has 4 divisors (see below), whose sum is σ = 101301272500. Its totient is φ = 101139187968.

The previous prime is 101220230147. The next prime is 101220230239. The reversal of 101220230233 is 332032022101.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 60443697609 + 40776532624 = 245853^2 + 201932^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-101220230233 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 101220230233.

It is not an unprimeable number, because it can be changed into a prime (101220230239) 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, 40519260 + ... + 40521757.

It is an arithmetic number, because the mean of its divisors is an integer number (25325318125).

Almost surely, 2^101220230233 is an apocalyptic number.

It is an amenable number.

101220230233 is a deficient number, since it is larger than the sum of its proper divisors (81042267).

101220230233 is an equidigital number, since it uses as much as digits as its factorization.

101220230233 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 81042266.

The product of its (nonzero) digits is 432, while the sum is 19.

Adding to 101220230233 its reverse (332032022101), we get a palindrome (433252252334).

The spelling of 101220230233 in words is "one hundred one billion, two hundred twenty million, two hundred thirty thousand, two hundred thirty-three".