111010121263 has 2 divisors, whose sum is σ = 111010121264. Its totient is φ = 111010121262.

The previous prime is 111010121203. The next prime is 111010121267. The reversal of 111010121263 is 362121010111.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-111010121263 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 111010121263.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (111010121267) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 55505060631 + 55505060632.

It is an arithmetic number, because the mean of its divisors is an integer number (55505060632).

Almost surely, 2^111010121263 is an apocalyptic number.

111010121263 is a deficient number, since it is larger than the sum of its proper divisors (1).

111010121263 is an equidigital number, since it uses as much as digits as its factorization.

111010121263 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 72, while the sum is 19.

Adding to 111010121263 its reverse (362121010111), we get a palindrome (473131131374).

The spelling of 111010121263 in words is "one hundred eleven billion, ten million, one hundred twenty-one thousand, two hundred sixty-three".