11322213221251 has 2 divisors, whose sum is σ = 11322213221252. Its totient is φ = 11322213221250.

The previous prime is 11322213221233. The next prime is 11322213221257. The reversal of 11322213221251 is 15212231222311.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 11322213221251 - 2¹⁷ = 11322213090179 is a prime.

It is not a weakly prime, because it can be changed into another prime (11322213221257) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5661106610625 + 5661106610626.

It is an arithmetic number, because the mean of its divisors is an integer number (5661106610626).

Almost surely, 2^{11322213221251} is an apocalyptic number.

11322213221251 is a deficient number, since it is larger than the sum of its proper divisors (1).

11322213221251 is an equidigital number, since it uses as much as digits as its factorization.

11322213221251 is an evil number, because the sum of its binary digits is even.

The product of its digits is 2880, while the sum is 28.

Adding to 11322213221251 its reverse (15212231222311), we get a palindrome (26534444443562).

The spelling of 11322213221251 in words is "eleven trillion, three hundred twenty-two billion, two hundred thirteen million, two hundred twenty-one thousand, two hundred fifty-one".