23211111121301 has 2 divisors, whose sum is σ = 23211111121302. Its totient is φ = 23211111121300.

The previous prime is 23211111121267. The next prime is 23211111121309. The reversal of 23211111121301 is 10312111111232.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 14528370792100 + 8682740329201 = 3811610^2 + 2946649^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-23211111121301 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (23211111121309) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 11605555560650 + 11605555560651.

It is an arithmetic number, because the mean of its divisors is an integer number (11605555560651).

Almost surely, 2^{23211111121301} is an apocalyptic number.

It is an amenable number.

23211111121301 is a deficient number, since it is larger than the sum of its proper divisors (1).

23211111121301 is an equidigital number, since it uses as much as digits as its factorization.

23211111121301 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 20.

Adding to 23211111121301 its reverse (10312111111232), we get a palindrome (33523222232533).

The spelling of 23211111121301 in words is "twenty-three trillion, two hundred eleven billion, one hundred eleven million, one hundred twenty-one thousand, three hundred one".