11023112220961 has 2 divisors, whose sum is σ = 11023112220962. Its totient is φ = 11023112220960.

The previous prime is 11023112220943. The next prime is 11023112221021. The reversal of 11023112220961 is 16902221132011.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 10752627974400 + 270484246561 = 3279120^2 + 520081^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-11023112220961 is a prime.

It is not a weakly prime, because it can be changed into another prime (11023112224961) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5511556110480 + 5511556110481.

It is an arithmetic number, because the mean of its divisors is an integer number (5511556110481).

Almost surely, 2^{11023112220961} is an apocalyptic number.

It is an amenable number.

11023112220961 is a deficient number, since it is larger than the sum of its proper divisors (1).

11023112220961 is an equidigital number, since it uses as much as digits as its factorization.

11023112220961 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 2592, while the sum is 31.

Adding to 11023112220961 its reverse (16902221132011), we get a palindrome (27925333352972).

The spelling of 11023112220961 in words is "eleven trillion, twenty-three billion, one hundred twelve million, two hundred twenty thousand, nine hundred sixty-one".