121112010263 has 2 divisors, whose sum is σ = 121112010264. Its totient is φ = 121112010262.

The previous prime is 121112010247. The next prime is 121112010269. The reversal of 121112010263 is 362010211121.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 121112010263 - 2⁴ = 121112010247 is a prime.

It is a Sophie Germain prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (121112010269) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 60556005131 + 60556005132.

It is an arithmetic number, because the mean of its divisors is an integer number (60556005132).

Almost surely, 2^121112010263 is an apocalyptic number.

121112010263 is a deficient number, since it is larger than the sum of its proper divisors (1).

121112010263 is an equidigital number, since it uses as much as digits as its factorization.

121112010263 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 144, while the sum is 20.

Adding to 121112010263 its reverse (362010211121), we get a palindrome (483122221384).

The spelling of 121112010263 in words is "one hundred twenty-one billion, one hundred twelve million, ten thousand, two hundred sixty-three".