102211021221233 has 4 divisors (see below), whose sum is σ = 102211058484468. Its totient is φ = 102210983958000.

The previous prime is 102211021221227. The next prime is 102211021221307. The reversal of 102211021221233 is 332122120112201.

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 27519131073424 + 74691890147809 = 5245868^2 + 8642447^2 .

It is a cyclic number.

It is not a de Polignac number, because 102211021221233 - 2³⁴ = 102193841352049 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 102211021221199 and 102211021221208.

It is not an unprimeable number, because it can be changed into a prime (102211021226233) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (29) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 14159366 + ... + 20122367.

It is an arithmetic number, because the mean of its divisors is an integer number (25552764621117).

Almost surely, 2^{102211021221233} is an apocalyptic number.

It is an amenable number.

102211021221233 is a deficient number, since it is larger than the sum of its proper divisors (37263235).

102211021221233 is an equidigital number, since it uses as much as digits as its factorization.

102211021221233 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 37263234.

The product of its (nonzero) digits is 576, while the sum is 23.

Adding to 102211021221233 its reverse (332122120112201), we get a palindrome (434333141333434).

The spelling of 102211021221233 in words is "one hundred two trillion, two hundred eleven billion, twenty-one million, two hundred twenty-one thousand, two hundred thirty-three".