11122000219921 has 2 divisors, whose sum is σ = 11122000219922. Its totient is φ = 11122000219920.

The previous prime is 11122000219907. The next prime is 11122000220059. The reversal of 11122000219921 is 12991200022111.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 8335317539025 + 2786682680896 = 2887095^2 + 1669336^2 .

It is a cyclic number.

It is not a de Polignac number, because 11122000219921 - 2²⁵ = 11121966665489 is a prime.

It is not a weakly prime, because it can be changed into another prime (11122000219621) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5561000109960 + 5561000109961.

It is an arithmetic number, because the mean of its divisors is an integer number (5561000109961).

Almost surely, 2^{11122000219921} is an apocalyptic number.

It is an amenable number.

11122000219921 is a deficient number, since it is larger than the sum of its proper divisors (1).

11122000219921 is an equidigital number, since it uses as much as digits as its factorization.

11122000219921 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 1296, while the sum is 31.

The spelling of 11122000219921 in words is "eleven trillion, one hundred twenty-two billion, two hundred nineteen thousand, nine hundred twenty-one".