10021231279 has 2 divisors, whose sum is σ = 10021231280. Its totient is φ = 10021231278.

The previous prime is 10021231183. The next prime is 10021231301. The reversal of 10021231279 is 97213212001.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 10021231279 - 2¹⁹ = 10020706991 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (10021231379) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5010615639 + 5010615640.

It is an arithmetic number, because the mean of its divisors is an integer number (5010615640).

Almost surely, 2^10021231279 is an apocalyptic number.

10021231279 is a deficient number, since it is larger than the sum of its proper divisors (1).

10021231279 is an equidigital number, since it uses as much as digits as its factorization.

10021231279 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 1512, while the sum is 28.

The spelling of 10021231279 in words is "ten billion, twenty-one million, two hundred thirty-one thousand, two hundred seventy-nine".