22110201210257 has 2 divisors, whose sum is σ = 22110201210258. Its totient is φ = 22110201210256.

The previous prime is 22110201210187. The next prime is 22110201210263. The reversal of 22110201210257 is 75201210201122.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 12071670773761 + 10038530436496 = 3474431^2 + 3168364^2 .

It is a cyclic number.

It is not a de Polignac number, because 22110201210257 - 2¹⁸ = 22110200948113 is a prime.

It is not a weakly prime, because it can be changed into another prime (22110201210857) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 11055100605128 + 11055100605129.

It is an arithmetic number, because the mean of its divisors is an integer number (11055100605129).

Almost surely, 2^{22110201210257} is an apocalyptic number.

It is an amenable number.

22110201210257 is a deficient number, since it is larger than the sum of its proper divisors (1).

22110201210257 is an equidigital number, since it uses as much as digits as its factorization.

22110201210257 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 1120, while the sum is 26.

Adding to 22110201210257 its reverse (75201210201122), we get a palindrome (97311411411379).

The spelling of 22110201210257 in words is "twenty-two trillion, one hundred ten billion, two hundred one million, two hundred ten thousand, two hundred fifty-seven".