133223021111251 has 2 divisors, whose sum is σ = 133223021111252. Its totient is φ = 133223021111250.

The previous prime is 133223021111207. The next prime is 133223021111287. The reversal of 133223021111251 is 152111120322331.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 133223021111251 - 2¹⁹ = 133223020586963 is a prime.

It is not a weakly prime, because it can be changed into another prime (133223021115251) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 66611510555625 + 66611510555626.

It is an arithmetic number, because the mean of its divisors is an integer number (66611510555626).

Almost surely, 2^{133223021111251} is an apocalyptic number.

133223021111251 is a deficient number, since it is larger than the sum of its proper divisors (1).

133223021111251 is an equidigital number, since it uses as much as digits as its factorization.

133223021111251 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 2160, while the sum is 28.

Adding to 133223021111251 its reverse (152111120322331), we get a palindrome (285334141433582).

The spelling of 133223021111251 in words is "one hundred thirty-three trillion, two hundred twenty-three billion, twenty-one million, one hundred eleven thousand, two hundred fifty-one".