23221130000291 has 2 divisors, whose sum is σ = 23221130000292. Its totient is φ = 23221130000290.

The previous prime is 23221130000287. The next prime is 23221130000351. The reversal of 23221130000291 is 19200003112232.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 23221130000291 - 2² = 23221130000287 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 23221130000291.

It is not a weakly prime, because it can be changed into another prime (23221130000221) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 11610565000145 + 11610565000146.

It is an arithmetic number, because the mean of its divisors is an integer number (11610565000146).

Almost surely, 2^{23221130000291} is an apocalyptic number.

23221130000291 is a deficient number, since it is larger than the sum of its proper divisors (1).

23221130000291 is an equidigital number, since it uses as much as digits as its factorization.

23221130000291 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 1296, while the sum is 26.

The spelling of 23221130000291 in words is "twenty-three trillion, two hundred twenty-one billion, one hundred thirty million, two hundred ninety-one", and thus it is an aban number.