121010000263 has 2 divisors, whose sum is σ = 121010000264. Its totient is φ = 121010000262.

The previous prime is 121010000143. The next prime is 121010000291. The reversal of 121010000263 is 362000010121.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 121010000263 - 2¹³ = 121009992071 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (121010000663) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 60505000131 + 60505000132.

It is an arithmetic number, because the mean of its divisors is an integer number (60505000132).

Almost surely, 2^121010000263 is an apocalyptic number.

121010000263 is a deficient number, since it is larger than the sum of its proper divisors (1).

121010000263 is an equidigital number, since it uses as much as digits as its factorization.

121010000263 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 72, while the sum is 16.

Adding to 121010000263 its reverse (362000010121), we get a palindrome (483010010384).

The spelling of 121010000263 in words is "one hundred twenty-one billion, ten million, two hundred sixty-three", and thus it is an aban number.