11012222010121 has 2 divisors, whose sum is σ = 11012222010122. Its totient is φ = 11012222010120.

The previous prime is 11012222010067. The next prime is 11012222010157. The reversal of 11012222010121 is 12101022221011.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 5644710739600 + 5367511270521 = 2375860^2 + 2316789^2 .

It is a cyclic number.

It is not a de Polignac number, because 11012222010121 - 2⁷ = 11012222009993 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 11012222010095 and 11012222010104.

It is not a weakly prime, because it can be changed into another prime (11012222014121) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5506111005060 + 5506111005061.

It is an arithmetic number, because the mean of its divisors is an integer number (5506111005061).

Almost surely, 2^{11012222010121} is an apocalyptic number.

It is an amenable number.

11012222010121 is a deficient number, since it is larger than the sum of its proper divisors (1).

11012222010121 is an equidigital number, since it uses as much as digits as its factorization.

11012222010121 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 32, while the sum is 16.

Adding to 11012222010121 its reverse (12101022221011), we get a palindrome (23113244231132).

The spelling of 11012222010121 in words is "eleven trillion, twelve billion, two hundred twenty-two million, ten thousand, one hundred twenty-one".