23211111121229 has 2 divisors, whose sum is σ = 23211111121230. Its totient is φ = 23211111121228.

The previous prime is 23211111121199. The next prime is 23211111121259. The reversal of 23211111121229 is 92212111111232.

It is a balanced prime because it is at equal distance from previous prime (23211111121199) and next prime (23211111121259).

It can be written as a sum of positive squares in only one way, i.e., 15311357698729 + 7899753422500 = 3912973^2 + 2810650^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-23211111121229 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (23211111121259) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 11605555560614 + 11605555560615.

It is an arithmetic number, because the mean of its divisors is an integer number (11605555560615).

Almost surely, 2^{23211111121229} is an apocalyptic number.

It is an amenable number.

23211111121229 is a deficient number, since it is larger than the sum of its proper divisors (1).

23211111121229 is an equidigital number, since it uses as much as digits as its factorization.

23211111121229 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 864, while the sum is 29.

The spelling of 23211111121229 in words is "twenty-three trillion, two hundred eleven billion, one hundred eleven million, one hundred twenty-one thousand, two hundred twenty-nine".