10101021263 has 2 divisors, whose sum is σ = 10101021264. Its totient is φ = 10101021262.

The previous prime is 10101021241. The next prime is 10101021277. The reversal of 10101021263 is 36212010101.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 10101021263 - 2²⁴ = 10084244047 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (10101021863) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5050510631 + 5050510632.

It is an arithmetic number, because the mean of its divisors is an integer number (5050510632).

Almost surely, 2^10101021263 is an apocalyptic number.

10101021263 is a deficient number, since it is larger than the sum of its proper divisors (1).

10101021263 is an equidigital number, since it uses as much as digits as its factorization.

10101021263 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 17.

Adding to 10101021263 its reverse (36212010101), we get a palindrome (46313031364).

The spelling of 10101021263 in words is "ten billion, one hundred one million, twenty-one thousand, two hundred sixty-three".