11012321222129 has 2 divisors, whose sum is σ = 11012321222130. Its totient is φ = 11012321222128.

The previous prime is 11012321222093. The next prime is 11012321222141. The reversal of 11012321222129 is 92122212321011.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 10811917269904 + 200403952225 = 3288148^2 + 447665^2 .

It is a cyclic number.

It is not a de Polignac number, because 11012321222129 - 2⁴⁰ = 9912809594353 is a prime.

It is not a weakly prime, because it can be changed into another prime (11012321222179) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5506160611064 + 5506160611065.

It is an arithmetic number, because the mean of its divisors is an integer number (5506160611065).

Almost surely, 2^{11012321222129} is an apocalyptic number.

It is an amenable number.

11012321222129 is a deficient number, since it is larger than the sum of its proper divisors (1).

11012321222129 is an equidigital number, since it uses as much as digits as its factorization.

11012321222129 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 1728, while the sum is 29.

The spelling of 11012321222129 in words is "eleven trillion, twelve billion, three hundred twenty-one million, two hundred twenty-two thousand, one hundred twenty-nine".