23211201222211 has 2 divisors, whose sum is σ = 23211201222212. Its totient is φ = 23211201222210.

The previous prime is 23211201222169. The next prime is 23211201222217. The reversal of 23211201222211 is 11222210211232.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-23211201222211 is a prime.

It is not a weakly prime, because it can be changed into another prime (23211201222217) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 11605600611105 + 11605600611106.

It is an arithmetic number, because the mean of its divisors is an integer number (11605600611106).

Almost surely, 2^{23211201222211} is an apocalyptic number.

23211201222211 is a deficient number, since it is larger than the sum of its proper divisors (1).

23211201222211 is an equidigital number, since it uses as much as digits as its factorization.

23211201222211 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 384, while the sum is 22.

Adding to 23211201222211 its reverse (11222210211232), we get a palindrome (34433411433443).

The spelling of 23211201222211 in words is "twenty-three trillion, two hundred eleven billion, two hundred one million, two hundred twenty-two thousand, two hundred eleven".