10111223533 has 2 divisors, whose sum is σ = 10111223534. Its totient is φ = 10111223532.

The previous prime is 10111223459. The next prime is 10111223539. The reversal of 10111223533 is 33532211101.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 10050664009 + 60559524 = 100253^2 + 7782^2 .

It is an emirp because it is prime and its reverse (33532211101) is a distict prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-10111223533 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (10111223539) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5055611766 + 5055611767.

It is an arithmetic number, because the mean of its divisors is an integer number (5055611767).

Almost surely, 2^10111223533 is an apocalyptic number.

It is an amenable number.

10111223533 is a deficient number, since it is larger than the sum of its proper divisors (1).

10111223533 is an equidigital number, since it uses as much as digits as its factorization.

10111223533 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 540, while the sum is 22.

Adding to 10111223533 its reverse (33532211101), we get a palindrome (43643434634).

The spelling of 10111223533 in words is "ten billion, one hundred eleven million, two hundred twenty-three thousand, five hundred thirty-three".