23111001220001 has 2 divisors, whose sum is σ = 23111001220002. Its totient is φ = 23111001220000.

The previous prime is 23111001219991. The next prime is 23111001220093. The reversal of 23111001220001 is 10002210011132.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 22900522131601 + 210479088400 = 4785449^2 + 458780^2 .

It is a cyclic number.

It is not a de Polignac number, because 23111001220001 - 2¹⁴ = 23111001203617 is a prime.

It is not a weakly prime, because it can be changed into another prime (23111001223001) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 11555500610000 + 11555500610001.

It is an arithmetic number, because the mean of its divisors is an integer number (11555500610001).

Almost surely, 2^{23111001220001} is an apocalyptic number.

It is an amenable number.

23111001220001 is a deficient number, since it is larger than the sum of its proper divisors (1).

23111001220001 is an equidigital number, since it uses as much as digits as its factorization.

23111001220001 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 24, while the sum is 14.

Adding to 23111001220001 its reverse (10002210011132), we get a palindrome (33113211231133).

The spelling of 23111001220001 in words is "twenty-three trillion, one hundred eleven billion, one million, two hundred twenty thousand, one".