11220120100253 has 2 divisors, whose sum is σ = 11220120100254. Its totient is φ = 11220120100252.

The previous prime is 11220120100199. The next prime is 11220120100339. The reversal of 11220120100253 is 35200102102211.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 6405242216164 + 4814877884089 = 2530858^2 + 2194283^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-11220120100253 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (11220110100253) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5610060050126 + 5610060050127.

It is an arithmetic number, because the mean of its divisors is an integer number (5610060050127).

Almost surely, 2^{11220120100253} is an apocalyptic number.

It is an amenable number.

11220120100253 is a deficient number, since it is larger than the sum of its proper divisors (1).

11220120100253 is an equidigital number, since it uses as much as digits as its factorization.

11220120100253 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 240, while the sum is 20.

Adding to 11220120100253 its reverse (35200102102211), we get a palindrome (46420222202464).

The spelling of 11220120100253 in words is "eleven trillion, two hundred twenty billion, one hundred twenty million, one hundred thousand, two hundred fifty-three".